Star Bulk Carriers (SBLK) 20-F15 Mar 222021 FY Annual report (foreign)Financial data

Company Profile

Cover

Cover	12 Months Ended
Cover	Dec. 31, 2021shares
Document Information [Line Items]
Document Type	20-F
Amendment Flag	false
Document Registration Statement	false
Document Annual Report	true
Document Transition Report	false
Document Shell Company Report	false
Document Period End Date	Dec. 31, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	001-33869
Entity Registrant Name	STAR BULK CARRIERS CORP.
Entity Central Index Key	0001386716
Entity Incorporation, State or Country Code	1T
Entity Address, Address Line One	40 Agiou Konstantinou Str
Entity Address, City or Town	Maroussi
Entity Address, Country	GR
Entity Address, Postal Zip Code	15124
Title of 12(b) Security	Common Shares, par value $0.01 per share
Trading Symbol	SBLK
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Document Accounting Standard	U.S. GAAP
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	102,294,758
ICFR Auditor Attestation Flag	true
Auditor Firm ID	1163
Auditor Name	Deloitte Certified Public Accountants S.A.
Auditor Location	Athens, Greece
Business Contact [Member]
Document Information [Line Items]
Entity Address, Address Line One	40 Agiou Konstantinou Str
Entity Address, City or Town	Maroussi
Entity Address, Country	GR
Entity Address, Postal Zip Code	15124
City Area Code	011 30
Local Phone Number	210 617 8400
Contact Personnel Name	Petros Pappas

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash and cash equivalents	$ 450,285	$ 183,211
Restricted cash, current (Notes 7 and 17)	20,965	7,299
Trade accounts receivable, net	81,061	38,090
Inventories (Note 4)	75,077	47,294
Due from managers	9,422	358
Due from related parties (Note 3)	242	481
Prepaid expenses and other receivables	28,659	17,687
Derivatives, current asset portion (Note 17)	1,996	0
Other current assets (Note 15)	15,217	12,991
Total Current Assets	682,924	307,411
FIXED ASSETS
Vessels and other fixed assets, net (Note 5)	3,013,038	2,877,119
Total Fixed Assets	3,013,038	2,877,119
OTHER NON-CURRENT ASSETS
Long term investment (Note 3)	1,567	1,321
Restricted cash, non-current (Notes 7 and 17)	2,021	5,021
Operating leases, right-of-use assets (Note 2)	48,256	886
Derivatives, non-current asset portion (Note 17)	6,913	0
Other non-current assets		35
TOTAL ASSETS	3,754,719	3,191,793
CURRENT LIABILITIES
Current portion of long-term bank loans (Note 7)	156,701	144,900
Lease financing short term (Note 6)	50,434	44,873
Accounts payable	21,837	32,853
Due to managers	3,885	7,813
Due to related parties (Note 3)	1,426	1,439
Accrued liabilities (Note 12)	30,810	20,940
Derivatives, current liability portion (Note 17)	743	1,939
Deferred revenue	24,960	11,675
Total Current Liabilities	290,796	266,432
NON-CURRENT LIABILITIES
8.30% 2022 Notes, net of unamortized notes issuance costs of $768 as of December 31, 2020 (Note 7) 0	0	49,232
Long-term bank loans, net of current portion and unamortized loan issuance costs of $13,761 and $10,853, as of December 31, 2020 and 2021, respectively (Note 7)	932,554	938,699
Lease financing long term, net of unamortized lease issuance costs of $6,181 and $5,318, as of December 31, 2020 and 2021, respectively (Note 6)	402,039	382,417
Derivatives, non-current liability portion (Note 17)	0	2,265
Fair value of below market time charters acquired	0	1,289
Operating lease liabilities (Note 2)	48,256	886
Other non-current liabilities	1,056	1,046
TOTAL LIABILITIES	1,674,701	1,642,266
SHAREHOLDERS' EQUITY
Preferred Shares; $0.01 par value, authorized 25,000,000 shares; none issued or outstanding at December 31, 2020 and 2021, respectively (Note 8)	0	0
Common Shares, $0.01 par value, 300,000,000 shares authorized; 97,146,687 shares issued and 97,139,716 shares (net of treasury shares) outstanding as of December 31, 2020; 102,294,758 shares issued and outstanding as of December 31, 2021 (Note 8)	1,023	971
Additional paid in capital	2,618,319	2,548,956
Treasury shares (6,971 and nil 0shares at December 31, 2020 and 2021, respectively)	0	(93)
Accumulated other comprehensive income/(loss)	6,933	(3,993)
Accumulated deficit	(546,257)	(996,314)
Total Shareholders' Equity	2,080,018	1,549,527
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 3,754,719	$ 3,191,793

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	25,000,000	25,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock [Member]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	300,000,000	300,000,000
Common Stock, Shares, Issued	102,294,758	97,146,687
Common Stock, Shares, Outstanding	102,294,758	97,139,716
Treasury Stock [Member]
Treasury Stock, Shares	0	6,971
8.30% 2022 Notes [Member]
Debt Issuance Costs, Net	$ 0	$ 768
Long-term Debt [Member]
Debt Issuance Costs, Net	10,853	13,761
Capital Lease Obligations [Member]
Debt Issuance Costs, Net	$ 5,318	$ 6,181

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Voyage revenues (Note 15)	$ 1,427,423	$ 693,241	$ 821,365
Expenses
Voyage expenses (Notes 3 and 16)	226,111	200,058	222,962
Charter-in hire expenses (Note 3)	14,565	32,055	126,813
Vessel operating expenses (Note 16)	208,661	178,543	160,062
Dry docking expenses	30,986	23,519	57,444
Depreciation (Note 5)	152,640	142,293	124,280
Management fees (Notes 3 and 9)	19,489	18,405	17,500
General and administrative expenses (Note 3)	39,500	31,881	34,819
Impairment loss (Notes 5 and 17)	0	0	3,411
(Gain)/Loss on time charter agreement termination	(1,102)	0	0
Other operational loss	2,214	1,513	110
Other operational gain	(2,110)	(3,231)	(2,423)
Provision for doubtful debts	629	373	1,607
(Gain)/Loss on forward freight agreements and bunker swaps, net (Note 17)	(3,564)	(16,156)	(4,411)
(Gain)/Loss on sale of vessels (Note 5)	0	0	5,493
Total operating expenses	688,019	609,253	747,667
Operating income / (loss)	739,404	83,988	73,698
Other Income/ (Expenses):
Interest and finance costs (Note 7)	(56,036)	(69,555)	(87,617)
Interest and other income/(loss)	315	267	1,299
Loss on debt extinguishment (Note 7)	(3,257)	(4,924)	(3,526)
Total other expenses, net	(58,978)	(74,212)	(89,844)
Income / (loss) before taxes and equity in income of investee	680,426	9,776	(16,146)
Income taxes (Note 13)	(16)	(152)	(109)
Income/(Loss) before equity in income of investee	680,410	9,624	(16,255)
Equity in income / (loss) of investee	120	36	54
Net income/(loss)	$ 680,530	$ 9,660	$ (16,201)
Earnings / (Loss) per share, basic	$ 6.73	$ 0.10	$ (0.17)
Earnings / (Loss) per share, diluted	$ 6.71	$ 0.10	$ (0.17)
Weighted average number of shares outstanding, basic (Note 11)	101,183,829	96,128,173	93,735,549
Weighted average number of shares outstanding, diluted (Note 11)	101,479,072	96,281,389	93,735,549

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income / (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net income / (loss)	$ 680,530	$ 9,660	$ (16,201)
Other comprehensive income / (loss):
Unrealized gain / (loss) from hedging interest rate swaps recognized in Other comprehensive income/(loss) before reclassifications	8,575	(4,841)	0
Less:
Reclassification adjustments of interest rate swap gain/(loss)	2,351	848	0
Other comprehensive income / (loss)	10,926	(3,993)	0
Total comprehensive income / (loss)	$ 691,456	$ 5,667	$ (16,201)

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Common Stock [Member]E.R. Vessels [Member]	Common Stock [Member]Delphin Vessels [Member]	Common Stock [Member]Eneti Vessels [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member]E.R. Vessels [Member]	Additional Paid-in Capital [Member]Delphin Vessels [Member]	Additional Paid-in Capital [Member]Eneti Vessels [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Treasury Stock [Member]Songa Vessels [Member]	Total	Songa Vessels [Member]	E.R. Vessels [Member]	Delphin Vessels [Member]	Eneti Vessels [Member]	AOCI Attributable to Parent [Member]
Beginning balance, value at Dec. 31, 2018	$ 926				$ 2,502,429				$ (980,165)	$ (3,145)		$ 1,520,045					$ 0
Beginning balance, shares at Dec. 31, 2018	92,627,349
Net income / (loss)	$ 0				0				(16,201)	0		(16,201)
Other comprehensive income / (loss)												0
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	883,700
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	$ 9				7,934							7,943
Dividend declared and paid $0.05 and $0.05 per share in 2019 and 2020, respectively and dividend declared $2.25 per share in 2021 (Note 8)	$ 0				0				(4,804)	0		(4,804)
Acquisition of Vessel, value											$ (93)		$ (93)
Acquisition of vessels (Note 8)		999,336	4,503,370
Acquisition of vessels (Note 8)		$ 10	$ 45			$ 10,055	$ 47,470							$ 10,065	$ 47,515
Purchase of treasury stock (Note 8)	(2,940,558)
Purchase of treasury stock (Note 8)	$ (29)				(23,546)					3,145		(20,430)
Ending balance, shares at Dec. 31, 2019	96,073,197
Ending balance, value at Dec. 31, 2019	$ 961				2,544,342				(1,001,170)	(93)		1,544,040					0
Net income / (loss)	$ 0				0				9,660	0		9,660
Other comprehensive income / (loss)												(3,993)					(3,993)
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	1,073,490
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	$ 10				4,614							4,624
Dividend declared and paid $0.05 and $0.05 per share in 2019 and 2020, respectively and dividend declared $2.25 per share in 2021 (Note 8)	$ 0				0				(4,804)	0		(4,804)
Ending balance, shares at Dec. 31, 2020	97,146,687
Ending balance, value at Dec. 31, 2020	$ 971				2,548,956				(996,314)	(93)		1,549,527					(3,993)
Net income / (loss)	0				0				680,530	0		680,530
Offering expenses	0				(292)				0	0		(292)
Other comprehensive income / (loss)												10,926					10,926
Cancellation of treasury stock (Note 8)	$ 0				(93)				0	93		0
Cancellation of treasury stock (Note 8)	(6,971)
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	521,310
Issuance of vested and non-vested shares and amortization of share-based compensation (Note 10)	$ 5				10,330							10,335
Dividend declared and paid $0.05 and $0.05 per share in 2019 and 2020, respectively and dividend declared $2.25 per share in 2021 (Note 8)	$ 0				0				(230,473)	0		(230,473)
Acquisition of vessels (Note 8)		2,100,000		3,000,000
Acquisition of vessels (Note 8)		$ 21		$ 30		$ 22,147		$ 47,545						$ 22,168		$ 47,575
Purchase of treasury stock (Note 8)	(466,268)
Purchase of treasury stock (Note 8)	$ (4)				(10,274)							(10,278)
Ending balance, shares at Dec. 31, 2021	102,294,758
Ending balance, value at Dec. 31, 2021	$ 1,023				$ 2,618,319				$ (546,257)	$ 0		$ 2,080,018					$ 6,933

Consolidated Statements of St_2

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 2.25	$ 0.05	$ 0.05

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income / (loss)	$ 680,530	$ 9,660	$ (16,201)
Adjustments to reconcile net income/(loss) to net cash provided by/(used in) operating activities:
Depreciation (Note 5)	152,640	142,293	124,280
Amortisation of fair value of above market time charters	0	0	336
Amortisation of fair value of below market time charters	(187)	(1,184)	(2,349)
Amortization of debt (loan, lease & notes) issuance costs (Note 7)	6,511	7,815	5,590
Loss on debt extinguishment (Note 7)	3,257	4,924	3,526
Impairment loss (Note 5)	0	0	3,411
Loss / (gain) on sale of vessels (Note 5)	0	0	5,493
Provision for doubtful debts	629	373	1,607
Share-based compensation (Note 10)	10,335	4,624	7,943
(Gain)/Loss on time charter agreement termination	(1,102)	0	0
Change in fair value of forward freight derivatives and bunker swaps (Note 17)	(1,508)	(1,295)	246
Other non-cash charges	(116)	276	28
Gain on hull and machinery claims	(192)	(2,154)	(2,264)
Equity in income / (loss) of investee	(120)	(36)	(54)
(Increase)/Decrease in:
Trade accounts receivable	(43,600)	20,322	(20,383)
Inventories	(27,783)	3,859	(23,717)
Prepaid expenses and other receivables	(19,012)	(2,211)	(14,940)
Derivatives asset	500	(2)	0
Due from related parties	239	109	732
Due from managers	(9,064)	541	(615)
Other non-current assets	0	(1)	(357)
Increase/(Decrease) in:
Accounts payable	(8,040)	(3,052)	3,627
Due to related parties	(13)	(2,578)	2,368
Accrued liabilities	13,810	(18,064)	11,675
Due to managers	(3,928)	2,032	2,024
Deferred revenue	13,285	4,301	(3,481)
Net cash provided by / (used in) Operating Activities	767,071	170,552	88,525
Cash Flows from Investing Activities:
Advances for vessels & vessel upgrades and other fixed assets	(130,147)	(72,059)	(347,140)
Cash proceeds from vessel sales (Note 5)	0	0	56,632
Hull and machinery insurance proceeds	8,884	5,725	10,671
Net cash provided by / (used in) Investing Activities	(121,263)	(66,334)	(279,837)
Cash Flows from Financing Activities:
Proceeds from bank loans, leases and notes	470,650	687,792	768,282
Loan and lease prepayments and repayments	(593,183)	(708,910)	(623,892)
Financing and debt extinguishment fees paid	(4,584)	(9,027)	(15,366)
Dividends paid (Note 8)	(230,240)	(4,804)	(4,804)
Offering expenses paid related to the issuance of common stock	(433)	0	0
Repurchase of common shares	(10,278)	0	(20,523)
Net cash provided by / (used in) Financing Activities	(368,068)	(34,949)	103,697
Net increase/(decrease) in cash and cash equivalents and restricted cash	277,740	69,269	(87,615)
Cash and cash equivalents and restricted cash at beginning of period	195,531	126,262	213,877
Cash and cash equivalents and restricted cash at end of period	473,271	195,531	126,262
Cash paid during the period for:
Interest	49,658	61,557	82,172
Non-cash investing and financing activities:
Shares issued in connection with vessel acquisitions	69,884	0	57,580
Vessel upgrades	0	9,674	27,848
Assumed debt upon acquisition	99,601	0	0
Right-of use assets and lease obligations for charter-in contracts	48,796	0	0
Dividends declared but not paid	233	0	0
Reconciliation of (a) cash and cash equivalents, and restricted cash reported within the consolidated balance sheets to (b) the total amount of such items reported in the statements of cash flows:
Cash and cash equivalents	450,285	183,211	117,819
Restricted cash, current (Note 7)	20,965	7,299	7,422
Restricted cash, non-current (Note 7)	2,021	5,021	1,021
Cash and cash equivalents and restricted cash at end of period shown in the statement of cash flows	$ 473,271	$ 195,531	$ 126,262

Basis of Presentation and Gener

Basis of Presentation and General Information	12 Months Ended
Basis of Presentation and General Information	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and General Information	1. Basis of Presentation and General Information The consolidated financial statements as of December 31, 2020 and 2021 and for the years ended December 31, 2019, 2020 and 2021, include the accounts of Star Bulk Carriers Corp. (“Star Bulk”) and its wholly owned subsidiaries as set forth below (collectively, the “Company”). Star Bulk was incorporated on December 13, 2006 and 2021. The recent reopening of the global economy and consequent increased demand across all key dry bulk commodities has positively affected the Company’s revenues. On the other hand, as a result of COVID-19 restrictions imposed since 2020, additional crew expenses were incurred As of December 31, 2021, the Company owned a modern fleet of 128 sting of Newcastlemax, Capesize, Post Panamax, Kamsarmax, Panamax, Ultramax and Supramax vessels with a carrying capacity between 52,425 and 209,529 dwt, and 14.1 million charters-in a number of third-party vessels to increase its operating capacity in order to satisfy its clients’ needs. 1. Basis of Presentation and General Information - continued: Below is the list of the Company’s wholly owned subsidiaries as of December 31, 2021: Subsidiaries owning vessels in operation at December 31, 2021: Basis of Presentation and General information - List of subsidiaries (Table) Date Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 1 Pearl Shiptrade LLC Gargantua (1) 209,529 April 2, 2015 2015 2 Star Ennea LLC Star Gina 2GR 209,475 February 26, 2016 2016 3 Coral Cape Shipping LLC Maharaj (1) 209,472 July 15, 2015 2015 4 Sea Diamond Shipping LLC Goliath (1) 207,999 July 15, 2015 2015 5 Star Castle II LLC Star Leo 207,939 May 14, 2018 2018 6 ABY Eleven Ltd Star Laetitia 207,896 August 3, 2018 2017 7 Domus Shipping LLC Star Ariadne 207,774 March 28, 2017 2017 8 Star Breezer LLC Star Virgo 207,774 March 1, 2017 2017 9 Star Seeker LLC Star Libra (1) 207,727 June 6, 2016 2016 10 ABY Nine Ltd Star Sienna 207,721 August 3, 2018 2017 11 Clearwater Shipping LLC Star Marisa 207,671 March 11 2016 2016 12 ABY Ten Ltd Star Karlie 207,566 August 3, 2018 2016 13 Star Castle I LLC Star Eleni 207,517 January 3, 2018 2018 14 Festive Shipping LLC Star Magnanimus 207,490 March 26, 2018 2018 15 New Era II Shipping LLC Debbie H 206,823 May 28, 2019 2019 16 New Era III Shipping LLC Star Ayesha 206,814 July 15, 2019 2019 17 New Era I Shipping LLC Katie K 206,803 April 16, 2019 2019 18 Cape Ocean Maritime LLC Leviathan 182,466 September 19, 2014 2014 19 Cape Horizon Shipping LLC Peloreus 182,451 July 22, 2014 2014 20 Star Nor I LLC Star Claudine 181,258 July 6, 2018 2011 21 Star Nor II LLC Star Ophelia 180,716 July 6, 2018 2010 22 Sandra Shipco LLC Star Pauline 180,233 December 29, 2014 2008 23 Christine Shipco LLC Star Martha 180,231 October 31, 2014 2010 24 Pacific Cape Shipping LLC Pantagruel 180,140 July 11, 2014 2004 25 Star Borealis LLC Star Borealis 179,601 September 9, 2011 2011 26 Star Polaris LLC Star Polaris 179,648 November 14, 2011 2011 27 Star Nor III LLC Star Lyra 179,147 July 6, 2018 2009 28 Star Regg VI LLC Star Bueno 178,978 January 26, 2021 2010 29 Star Regg V LLC Star Borneo 178,978 January 26, 2021 2010 30 Star Regg IV LLC Star Marilena 178,977 January 26, 2021 2010 31 Star Regg I LLC Star Marianne 178,841 January 14, 2019 2010 32 Star Regg II LLC Star Janni 177,939 January 7, 2019 2010 33 Star Trident V LLC Star Angie 177,931 October 29, 2014 2007 34 Sky Cape Shipping LLC Big Fish 177,620 July 11, 2014 2004 35 Global Cape Shipping LLC Kymopolia 176,948 July 11, 2014 2006 36 Star Trident XXV Ltd. Star Triumph 176,274 December 8, 2017 2004 37 ABY Fourteen Ltd Star Scarlett 175,800 August 3, 2018 2014 38 ABY Fifteen Ltd Star Audrey 175,125 August 3, 2018 2011 39 Sea Cape Shipping LLC Big Bang 174,109 July 11, 2014 2007 40 ABY I LLC Star Paola 115,259 August 3, 2018 2011 1. Basis of Presentation and General Information - (continued): Subsidiaries owning vessels in operation at December 31, 2021: Date Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 41 ABM One Ltd Star Eva 106,659 August 3, 2018 2012 42 Star Vega LLC Star Vega (1) 98,648 February 13, 2014 2011 43 Star Sirius LLC Star Sirius (1) 98,648 March 7, 2014 2011 44 Majestic Shipping LLC Madredeus 98,648 July 11, 2014 2011 45 Nautical Shipping LLC Amami 98,648 July 11, 2014 2011 46 ABY II LLC Star Aphrodite 92,006 August 3, 2018 2011 47 Augustea Bulk Carrier Ltd Star Piera 91,952 August 3, 2018 2010 48 Augustea Bulk Carrier Ltd Star Despoina 91,945 August 3, 2018 2010 49 Star Trident I LLC Star Kamila 87,001 September 3, 2014 2005 50 Star Nor IV LLC Star Electra 83,494 July 6, 2018 2011 51 Star Alta I LLC Star Angelina 82,953 December 5, 2014 2006 52 Star Alta II LLC Star Gwyneth 82,703 December 5, 2014 2006 53 Star Nor VI LLC Star Luna 82,687 July 6, 2018 2008 54 Star Nor V LLC Star Bianca 82,672 July 6, 2018 2008 55 Star Trident XIX LLC Star Maria 82,578 November 5, 2014 2007 56 Grain Shipping LLC Pendulum 82,578 July 11, 2014 2006 57 Star Trident XII LLC Star Markella 82,574 September 29, 2014 2007 58 ABY Seven Ltd Star Jeanette 82,567 August 3, 2018 2014 59 Star Trident IX LLC Star Danai 82,554 October 21, 2014 2006 60 Star Sun I LLC Star Elizabeth 82,430 May 25, 2021 2021 61 Star Sun II LLC Star Pavlina 82,361 June 16, 2021 2021 62 Star Trident XI LLC Star Georgia 82,281 October 14, 2014 2006 63 Star Trident VIII LLC Star Sophia 82,252 October 31, 2014 2007 64 Star Trident XVI LLC Star Mariella 82,249 September 19, 2014 2006 65 Star Trident XIV LLC Star Moira 82,220 November 19, 2014 2006 66 Star Trident X LLC Star Renee 82,204 December 18, 2014 2006 67 Star Trident XV LLC Star Jennifer 82,192 April 15, 2015 2006 68 Star Trident XIII LLC Star Laura 82,192 December 8, 2014 2006 69 Star Nor VIII LLC Star Mona 82,188 July 6, 2018 2012 70 Star Trident II LLC Star Nasia 82,183 August 29, 2014 2006 71 Star Nor VII LLC Star Astrid 82,158 July 6, 2018 2012 72 Star Trident XVII LLC Star Helena 82,150 December 29, 2014 2006 73 Star Trident XVIII LLC Star Nina 82,145 January 5, 2015 2006 74 Waterfront Two Ltd Star Alessia 81,944 August 3, 2018 2017 75 Star Nor IX LLC Star Calypso 81,918 July 6, 2018 2014 76 Star Elpis LLC Star Suzanna 81,644 May 15, 2017 2013 77 Star Gaia LLC Star Charis 81,643 March 22, 2017 2013 78 Mineral Shipping LLC Mercurial Virgo 81,502 July 11, 2014 2013 79 Star Nor X LLC Stardust 81,502 July 6, 2018 2011 80 Star Nor XI LLC Star Sky 81,466 July 6, 2018 2010 81 Star Zeus VI LLC Star Lambada (1) 81,272 March 16, 2021 2016 82 Star Zeus I LLC Star Capoeira (1) 81,253 March 16, 2021 2015 83 Star Zeus II LLC Star Carioca (1) 81,199 March 16, 2021 2015 84 Star Zeus VII LLC Star Macarena (1) 81,198 March 6, 2021 2016 85 ABY III LLC Star Lydia 81,187 August 3, 2018 2013 86 ABY IV LLC Star Nicole 81,120 August 3, 2018 2013 87 ABY Three Ltd Star Virginia 81,061 August 3, 2018 2015 88 Star Nor XII LLC Star Genesis 80,705 July 6, 2018 2010 89 Star Nor XIII LLC Star Flame 80,448 July 6, 2018 2011 1. Basis of Presentation and General Information - (continued): Subsidiaries owning vessels in operation at December 31, 2021: Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 90 Star Trident III LLC Star Iris 76,390 September 8, 2014 2004 91 Star Trident XX LLC Star Emily 76,339 September 16, 2014 2004 92 Orion Maritime LLC Idee Fixe (1) 63,437 March 25, 2015 2015 93 Primavera Shipping LLC Roberta (1) 63,404 March 31, 2015 2015 94 Success Maritime LLC Laura (1) 63,377 April 7, 2015 2015 95 Star Zeus III LLC Star Athena (1) 63,371 May 19, 2021 2015 96 Ultra Shipping LLC Kaley (1) 63,261 June 26, 2015 2015 97 Blooming Navigation LLC Kennadi (1) 63,240 January 8, 2016 2016 98 Jasmine Shipping LLC Mackenzie (1) 63,204 March 2, 2016 2016 99 Star Lida I Shipping LLC Star Apus (1) 63,123 July 16, 2019 2014 100 Star Zeus V LLC Star Bovarius (1) 61,571 March 16, 2021 2015 101 Star Zeus IV LLC Star Subaru (1) 61,521 March 16, 2021 2015 102 Star Nor XV LLC Star Wave 61,491 July 6, 2018 2017 103 Star Challenger I LLC Star Challenger (1) 61,462 December 12, 2013 2012 104 Star Challenger II LLC Star Fighter (1) 61,455 December 30, 2013 2013 105 Aurelia Shipping LLC Honey Badger (1) 61,324 February 27, 2015 2015 106 Star Axe II LLC Star Lutas (1) 61,323 January 6, 2016 2016 107 Rainbow Maritime LLC Wolverine (1) 61,268 February 27, 2015 2015 108 Star Axe I LLC Star Antares (1) 61,234 October 9, 2015 2015 109 ABY Five Ltd Star Monica 60,935 August 3, 2018 2015 110 Star Asia I LLC Star Aquarius 60,873 July 22, 2015 2015 111 Star Asia II LLC Star Pisces (1) 60,873 August 7, 2015 2015 112 Star Nor XIV LLC Star Glory 58,680 July 6, 2018 2012 113 Star Lida XI Shipping LLC Star Pyxis (1) 56,615 August 19, 2019 2013 114 Star Lida VIII Shipping LLC Star Hydrus (1) 56,604 August 8, 2019 2013 115 Star Lida IX Shipping LLC Star Cleo (1) 56,582 July 15, 2019 2013 116 Star Trident VII LLC Diva (1) 56,582 July 24, 2017 2011 117 Star Lida VI Shipping LLC Star Centaurus 56,559 September 18, 2019 2012 118 Star Lida VII Shipping LLC Star Hercules 56,545 July 16, 2019 2012 119 Star Lida X Shipping LLC Star Pegasus (1) 56,540 July 15, 2019 2013 120 Star Lida III Shipping LLC Star Cepheus (1) 56,539 July 16, 2019 2012 121 Star Lida IV Shipping LLC Star Columba (1) 56,530 July 23, 2019 2012 122 Star Lida V Shipping LLC Star Dorado (1) 56,507 July 16, 2019 2013 123 Star Lida II Shipping LLC Star Aquila 56,506 July 15, 2019 2012 124 Star Regg III LLC Star Bright 55,783 October 10, 2018 2010 125 Glory Supra Shipping LLC Strange Attractor 55,715 July 11, 2014 2006 126 Star Omicron LLC Star Omicron 53,444 April 17, 2008 2005 127 Star Zeta LLC Star Zeta 52,994 January 2, 2008 2003 128 Star Theta LLC Star Theta 52,425 December 6, 2007 2003 Total dwt 14,072,068 (1) Subject to sale and lease back financing transaction (Note 6) 1. Basis of Presentation and General Information – (continued): Non-vessel owning subsidiaries at December 31, 2021 List of Non-vessel owning subsidiaries Wholly Owned Subsidiaries 1 Star Bulk Management Inc. 19 Star Aurora LLC 2 Starbulk S.A. 20 Star Epsilon LLC 3 Star Bulk Manning LLC 21 Star ABY LLC 4 Star Bulk Shipmanagement Company (Cyprus) Limited 22 ABY Group Holding Ltd 5 Candia Shipping Limited (ex Optima Shipping Limited) 23 Star Regina LLC 6 Star Omas LLC 24 Star Bulk (Singapore) Pte. Ltd. 7 Star Synergy LLC 25 Star Bulk Germany GmbH 8 Oceanbulk Shipping LLC 26 Star Mare LLC 9 Oceanbulk Carriers LLC 27 Star Sege Ltd 10 International Holdings LLC 28 Star Regg VII LLC 11 Star Ventures LLC 29 Star Cosmo LLC 12 Star Logistics LLC (ex Dry Ventures LLC) 30 Star Delta LLC 13 Unity Holding LLC 31 Star Kappa LLC 14 Star Bulk (USA) LLC 32 Star Trident VI LLC 15 Star Bulk Norway AS 33 Star Uranus LLC 16 Star New Era LLC 34 Star Zeus LLC 17 Star Thor LLC 35 Star Bulk Finance (Cyprus) Limited 18 Star Gamma LLC 1. Basis of Presentation and General Information - (continued): Charterers who individually accounted for more than 10% of the Company’s voyage revenues during the years ended December 31, 2019, 2020 and 2021 are as follows: Basis of Presentation and General Information - Charter Revenue Percentage (Table) Charterer 2019 2020 A N/A 11% B 13% N/A No charterer accounted for more than 10% of the Company’s revenues for the year ended December 31, 2021.

Significant Accounting policies

Significant Accounting policies	12 Months Ended
Significant Accounting policies	Dec. 31, 2021
Accounting Policies [Abstract]
Significant Accounting policies	2. Significant Accounting policies   a)             Principles of consolidation Star Bulk as the holding company determines whether it has controlling financial interest in an entity by first evaluating whether the entity is a voting interest entity or a variable interest entity. Under ASC 810 “Consolidation”, a voting interest entity is an entity in which the total equity investment at risk is sufficient to enable the entity to finance itself independently and provides the equity holders with the obligation to absorb losses, the right to receive residual returns and make financial and operating decisions. Star Bulk consolidates voting interest entities in which it owns all, or at least a majority (generally, greater than 50%), of the voting interest. Following the provisions of ASC 810 “Consolidation”, the Company evaluates all arrangements that may include a variable interest in an entity to determine if it may be the primary beneficiary, and would be required to include assets, liabilities and operations of a variable interest entity in its consolidated financial statements. The Company’s evaluation did not result in an identification of variable interest entities for the years 2019, 2020 and 2021. b)               Equity method investments c)               Use of estimates : 2. Significant Accounting policies - (continued): d)               Comprehensive income/(loss) e)             Concentration of credit risk f)                Foreign currency transactions g)              Cash and cash equivalents h)              Restricted cash i)               Trade accounts receivable, net 373 629 j)               Inventories 2. Significant Accounting policies - (continued): k)              Vessels, net straight-line 25 years 0.3 l)               Advances for vessels under construction and acquisition of vessels m)              Fair value of above/below market acquired time charters n)               Impairment of long-lived assets 2. Significant Accounting policies - (continued): In this respect, management regularly reviews the carrying amount of the vessels, including newbuilding contracts, if any, on a vessel-by-vessel basis, when events and circumstances indicate that the carrying amount of the vessels or newbuilding contracts might not be recoverable (such as vessel valuations of independent shipbrokers, vessel sales and purchases, business plans, obsolescence or damage to the asset and overall market conditions). When impairment indicators are present, the Company compares future undiscounted net operating cash flows to the carrying values of the Company’s vessels to determine if the asset is required to be impaired. In developing its estimates of future undiscounted net operating cash flows, the Company makes assumptions and estimates about vessels’ future performance, with the significant assumptions being related to charter rates, vessel operating expenses, vessels’ residual value, fleet utilization and the estimated remaining useful lives of the vessels. These assumptions are based on current market conditions, historical industry and Company’s specific trends, as well as future expectations. The future undiscounted net operating cash flows are determined by considering the charter revenues from existing time charters for the fixed vessel days and an estimated daily time charter equivalent rate for the unfixed days over the estimated remaining economic life of each vessel, net of brokerage and address commissions. Estimates of the daily time charter equivalent rate for the unfixed days are based on the current Forward Freight Agreement (“FFA”) rates of the respective calendar year for each of the first three years, average of the FFA rate of the third year and the historical average market rate of similar size vessels for the fourth year and historical average market rates of similar size vessels for the period thereafter. The expected cash inflows from charter revenues are based on an assumed fleet utilization rate for the unfixed days over available days, taking also into account expected technical off-hire days. In addition, in light of the Company’s investment in exhaust gas cleaning systems (“EGCS” or “Scrubbers”), an estimate of an additional daily revenue for each scrubber fitted vessel was also included, reflecting additional revenue from charterers due to the fuel cost savings that these vessels provide. In assessing expected future cash outflows, management forecasts vessel operating expenses, which are based on the Company’s internal budget for the first annual period and thereafter assuming an annual inflation rate and are capped in the thirteenth year thereafter, vessel expected maintenance costs (for dry docking and special surveys) and management fees. The estimated salvage value of each vessel is $0.3 per light weight ton, in accordance with the Company’s vessel depreciation policy. The Company uses a probability weighted approach for developing estimates of future cash flows used to test its vessels for recoverability when alternative courses of action are under consideration (i.e. sale or continuing operation of a vessel). If the Company’s estimate of future undiscounted net operating cash flows for any vessel is lower than the vessel’s carrying value, the carrying value is written down to the vessel’s fair market value with a charge recorded under “Impairment loss” in the consolidated statement of operations. 2. Significant Accounting policies - (continued): o)               Vessels held for sale : p)               Evaluation of purchase transactions q)               Financing costs r)               Share based compensation 2. Significant Accounting policies - (continued): Awards of restricted shares, restricted share units or share options that are subject to performance conditions are also measured at their fair value, which is equal to the market value of the Company’s common shares on the grant date. If the award is subject only to performance conditions, compensation cost is recognized only if the performance conditions are satisfied. For awards that are subject to performance conditions and future service conditions, if it is probable that the performance condition for these awards will be satisfied, the compensation cost in respect of these awards is recognized over the requisite service period. If it is initially determined that it is not probable that the performance conditions will be satisfied and it is later determined that the performance conditions are likely to be satisfied (or vice versa), the effect of the change in estimate is retroactively accounted for in the period of change by recording a cumulative catch-up adjustment to retroactively apply the new estimate. If the award is forfeited because the performance condition is not satisfied, any previously recognized compensation cost is reversed. s)               Dry docking and special survey expenses t)                Accounting for revenue and related expenses The Company determined that its time charter agreements are considered operating leases and therefore fall under the scope of ASC 842 Leases (“ASC 842”) because, (a) the vessel is an identifiable asset, (b) the Company does not have substitution rights and (c) the charterer has the right to control the use of the vessel during the term of the contract and derives economic benefits from such use. The duration of the contracts that the Company enters into depends on the market conditions, with the duration decreasing during weak market conditions. During 2020 and 2021 the majority of the Company’s time charter contracts did not exceed the period of 12 months, including optional extension periods. Time charter revenues are recognized on a straight-line basis over the term of the respective time charter agreement for which the performance obligations are satisfied beginning when the vessel is delivered to the charterer until it is redelivered back to the Company. Time charter agreements may include ballast bonus payments made by the charterer which serve as compensation for the ballast trip of the vessel to the delivery port, which are deferred and also recognized on a straight line basis over the charter period. Time charter agreements may also include variable consideration that is not dependent on an index or a rate, such as additional revenue earned from charterers of scrubber fitted vessels due to the fuel cost savings that these vessels provide, which is recognized as revenue in the period in which the respective bunker quantity is actually consumed. 2. Significant Accounting policies - (continued): During the time charter agreements the Company is responsible for operating and maintaining the vessel and such costs are included in Vessel operating expenses in the consolidated statements of operations. In the time charter hire rate received is included compensation for these costs, such as crewing expenses, repairs and maintenance and insurance. The Company, making use of the practical expedient for lessors, has elected not to separate the lease and non-lease components included in the time charter revenue but rather to recognize lease revenue as a combined single lease component for all time charter contracts as the related lease component and non-lease component have the same timing and pattern of transfer ( i.e. charter revenue is recognized when a charter agreement exists, the vessel is made available to the charterer and collection of the related revenue is reasonably assured. The Company has determined that its voyage charter agreements do not contain a lease because the charterer under such contracts does not have the right to control the use of the vessel since the Company, as the ship-owner, retains control over the operations of the vessel, provided also that the terms of the voyage charter are pre-determined, and any change requires the Company’s consent and are therefore considered service contracts that fall under the provisions of ASC 606 “Revenue from contracts with customers”. The Company accounts for a voyage charter when all the following criteria are met: (i) the parties to the contract have approved the contract in the form of a written charter agreement or fixture recap and are committed to perform their respective obligations, (ii) the Company can identify each party’s rights regarding the services to be transferred, (iii) the Company can identify the payment terms for the services to be transferred, (iv) the charter agreement has commercial substance (that is, the risk, timing, or amount of the future cash flows is expected to change as a result of the contract) and (v) it is probable that the Company will collect substantially all of the consideration to which it will be entitled in exchange for the services that will be transferred to the charterer. The majority of revenue from voyage charter agreements is usually collected in advance. The Company has determined that there is one single performance obligation for each of its voyage contracts, which is to provide the charterer with an integrated transportation service within a specified time period. In addition, the Company has concluded that a contract for a voyage charter meets the criteria to recognize revenue over time because the charterer simultaneously receives and consumes the benefits of the Company’s performance as the Company performs. Therefore, since the Company’s performance obligation under each voyage contract is met evenly as the voyage progresses, revenue is recognized on a straight line Demurrage income, which is considered a form of variable consideration, is included in voyage revenues, and represents payments by the charterer to the vessel owner when loading or discharging time exceeds the stipulated time in the voyage charter agreements. Demurrage income for the years ended December 31, 2019, 2020 and 2021 was not material. Under voyage charter agreements, all voyage costs are borne and paid by the Company. Voyage expenses consist primarily of brokerage commissions, bunker consumption, port and canal expenses and agency fees related to the voyage. All voyage costs are expensed as incurred with the exception of the contract fulfilment costs that incur from the latter of the end of the previous vessel employment and the contract date and until the commencement of loading the cargo on the relevant vessel, which are capitalized to the extent the Company, in its reasonable judgement, determines that they (i) are directly related to a contract, (ii) will be recoverable and (iii) enhance the Company’s resources by putting the Company’s vessel in a location to satisfy its performance obligation under a contract pursuant to the provisions of ASC 340-40 “Other assets and deferred costs”. These capitalized contract fulfilment costs are recorded under “Other current assets” and are amortized on a straight-line basis as the related performance obligations are satisfied. 2. Significant Accounting policies - (continued): u)              Fair value measurement v)                Earnings / (loss) per share w)              Segment reporting x)               Leases : On January 1, 2019, the Company adopted ASC 842, according to which lessees are required to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with a term of more than 12 months. For lessees, leases are classified as either finance or operating, with classification affecting the pattern of expense recognition on the income statement. ASC 842 requires lessors to classify leases as a sales-type, direct financing, or operating leases. All leases that are not sales-type leases or direct financing leases (i.e that in effect neither transfer control of the underlying asset to the lessee nor transfer substantially all of the risks and benefits of the underlying asset to the lessee) are operating leases. Refer to Note 2(t) for the lease arrangements with the Company acting as Lessor. 2. Significant Accounting policies - (continued): The following are types of contracts with the Company acting as Lessee that fall under ASC 842: A) Time charter-in agreements that the Company from time to time enters into for third-party vessels to increase its operating capacity in order to satisfy its clients’ needs which has determined to be operating leases. The duration of these contracts may vary with vast majority not exceeding 12 months. The assets and liabilities recognized in respect of the time charter –in agreements with an initial term exceeding 12 months that correspond to the underlying rights and obligations are presented within “Operating leases, right-of-use assets” and “Operating lease liabilities”, respectively, in the consolidated balance sheets. The weighted average discount rate used for the recognition of these leases is the estimated annual incremental borrowing rate for this type of assets which is estimated at approximately 3% 0 47,704 initial term of 12 months or less straight line The time charter-in payments required to be made after December 31, 2021, for the outstanding operating lease liabilities recognized on the balance sheet as described above, are as follows: Significant Accounting policies - Operating Lease, Time Charter- in Payments (Table) Twelve month periods ending Amount December 31, 2022 $ 10,274 December 31, 2023 9,883 December 31, 2024 5,025 December 31, 2025 5,538 December 31, 2026 5,394 December 31, 2027 and thereafter 11,590 Total time charter-in payments $ 47,704 The weighted average remaining lease term of these charter-in arrangements as of December 31, 2021 is 5.85 B) Sale and lease back transactions which involve a purchase obligation (or a purchase option that is reasonably certain, at inception, that will be exercised) and are therefore treated as a failed sale or merely a financing arrangement, and therefore are not within the scope of sale and leaseback accounting. In such cases the Company does not derecognize the corresponding leased vessels and continues to present these at their net book values within “Vessels and other fixed assets, net” on its consolidated balance sheets, while the financing liability is presented in “Lease financing” in the Company’s consolidated balance sheets. Depreciation attributable to the vessels that are subject to financing under sale and lease back transactions is included within “Depreciation” in the consolidated statements of operations while the corresponding interest expense on the lease financing arrangement is included within “Interest and finance costs” in the consolidated statements of operations. All of the Company’s lease financing agreements as of December 31, 2020 and 2021 were of this type. C) Other long term bareboat charter-in agreements that the Company from time to time may enter into which meet the transfer of ownership criterion under ASC 842 (either involve a purchase obligation or a purchase option that is reasonably certain, at inception, that will be exercised) and are therefore classified as finance leases. In such cases the Company recognizes a right-of-use asset for each bareboat charter-in vessel reflected within “Vessels and other fixed assets, net” and a corresponding lease liability being reflected within “Lease financing”. The amortization of the right-of-use asset attributable to this type of lease arrangements is included within “Depreciation” in the consolidated statement of operations while the corresponding interest expense on the lease financing is included within “Interest and finance costs” in the consolidated statement of operations. None of the Company’s bareboat charter-in agreements were of this type as of December 31, 2020 and 2021. 2. Significant accounting policies – (continued): D) Office rental arrangements that the Company enters into, which it has determined to be operating leases. The office spaces that the Company leases are mostly located in Greece, Cyprus and Singapore. Payments under these arrangements are fixed with no variable payments. The assets and liabilities recognized in respect of these agreements that correspond to the underlying rights and obligations are presented within “Operating leases, right-of-use assets” and “Operating lease liabilities” in the consolidated balance sheets. The weighted average discount rate that is used for the recognition of these leases is the estimated annual incremental borrowing rate for this type of assets which is estimated at approximately 4% straight line 352 461 501 886 552 The office rental payments required to be made after December 31, 2021, for the outstanding operating lease liabilities recognized on the balance sheet as described above, are as follows: Significant Accounting policies - Operating Lease, Payments for office rental (Table) Twelve month periods ending Amount December 31, 2022 $ 306 December 31, 2023 204 December 31, 2024 42 December 31, 2025 – December 31, 2026 – December 31, 2027 and thereafter – Total office rent payments $ 552 The weighted average remaining lease term of these office rent arrangements as of December 31, 2021 is 2.01 y)              Derivatives & Hedging i) Interest rate swaps and foreign currency exchange rates swaps: The Company enters into derivative and from time to time into non-derivative financial instruments to manage risks related to fluctuations of interest rates and foreign currency exchange rates. All derivatives are recorded on the Company’s balance sheet as assets or liabilities and are measured at fair value. The valuation of interest rate swaps is based on Level 2 observable inputs of the fair value hierarchy, such as interest rate curves. The changes in the fair value of derivatives not qualifying for hedge accounting are recognized in earnings. Cash inflows/outflows attributed to derivative instruments are reported within cash flows from operating activities in the consolidated statements of cash flows. For the purpose of hedge accounting, hedges are classified as: · fair value hedges, when hedging the exposure to changes in the fair value of a recognized asset or liability or an unrecognized firm commitment, which in each case is attributable to a particular risk, including foreign currency risk; · cash flow hedges, when hedging exposure to variability in cash flows that is either attributable to a particular risk associated with a recognized asset or liability or a highly probable forecast transaction that could affect earnings; or · hedges of a net investment in a foreign operation. This type of hedge is not used by the Company. In case the instruments are eligible for hedge accounting, at the inception of a hedge relationship, the Company formally designates and documents the hedge relationship to which the Company wishes to apply hedge accounting and the risk management objective and strategy undertaken for the hedge. The documentation includes identification of the hedging instrument, the hedged item or transaction, the nature of the risk being hedged and how the Company will assess the hedging instrument’s effectiveness in offsetting exposure to changes in the hedged item’s cash flows or fair value attributable to the hedged risk. Such hedges are expected to be highly effective in achieving offsetting changes in cash flows or fair value and are assessed at each reporting date to determine whether they actually have been highly effective throughout the financial reporting periods for which they were designated. 2. Significant Accounting policies - (continued): Fair value hedges A fair value hedge is a hedge of the exposure to changes in the fair value of a recognized asset or liability, or of an unrecognized firm commitment, which in each case is attributable to a particular risk. The change in the fair value of a hedging instrument is recognized in the consolidated statement of operations. The change in the fair value of the hedged item attributable to the risk hedged is recorded as part of the carrying value of the hedged item and is also recognized in the consolidated statement of operations. For fair value hedges, in which a non-derivative is used as hedging instrument for foreign currency risk of unrecognized firm commitments, the hedging instrument is re- measured based on the movement in functional currency cash flows attributable to the change in spot exchange rates between the functional currency and the currency in which the non-derivative hedging instrument is denominated. An asset or liability is recorded for the unrecognized firm commitment, which equals the foreign exchange gain or loss that is recorded in earnings as a result of the hedge relationship. The resulting asset or liability will eventually be treated as part of the consideration when the firm commitment is recognized. Cash Flow hedges A cash flow hedge is a hedge of the exposure to variability in cash flows that is attributable to a particular risk associated with a recognized asset or liability or a highly probable forecasted transaction that could affect earnings. For derivatives designated as cash flow hedges, the effective portion of the changes in their fair value is recorded in “Accumulated other comprehensive income / (loss)” and is subsequently recognized in earnings when the hedged items impact earnings, while the ineffective portion, if any, is recognized immediately in current period earnings under “Gain/(loss) on interest rate swaps, net.” Discontinuation of hedge relationships The Company discontinues prospectively fair value or cash flow hedge accounting if the hedging instrument expires or is sold, terminated or exercised and it no longer meets all the criteria for hedge accounting or if the Company de-designates the instrument as a cash flow or fair value hedge. As part of a cash flow hedge, at the time the hedging relationship is discontinued, any cumulative gain or loss on the hedging instrument recognized in equity remains in equity until the forecasted transaction occurs or until it becomes probable of not occurring. When the forecasted transaction occurs, any cumulative gain or loss on the hedging instrument is recognized in earnings. If a hedged transaction is no longer expected to occur, the net cumulative gain or loss recognized in equity is reclassified and recognized in earnings for the year. As part of a fair value hedge, if the hedged item is derecognized, the unamortized fair value is recognized immediately in earnings. 2. Significant accounting policies – (continued): ii) Forward Freight Agreements and Bunker Swaps: In addition, when deemed appropriate from a risk management perspective, the Company takes positions in derivative instruments including forward freight agreements, or FFAs. Generally, FFAs and other derivative instruments may be used to hedge a vessel owner’s exposure to the charter market for a specified route and period of time. Upon settlement, if the contracted charter rate is less than the average of the rates for the specified route and time period, as reported by an identified index, the seller of the FFA is required to pay the buyer the settlement sum, being an amount equal to the difference between the contracted rate and the settlement rate, multiplied by the number of days in the specified period covered by the FFA. Conversely, if the contracted rate is greater than the settlement rate, the buyer is required to pay the seller the settlement sum. The vast majority of the FFAs are settled on a daily basis through reputable exchanges such as LCH, SGX or Nasdaq. FFAs are intended to serve as an economic hedge for the Company’s vessels that are being chartered in the spot market, effectively locking-in an approximate amount of revenue that the Company expects to receive from such vessels for the relevant periods. The Company measures the fair value of all open positions at each reporting date on this basis (Level 1). The Company’s FFAs do not qualify for hedge accounting and therefore gains or losses are recognized in the consolidated statements of operations under “(Gain)/Loss on forward freight agreements and bunker swaps, net.” Also, when deemed appropriate from a risk management perspective, the Company enters into bunker swap contracts to manage its exposure to fluctuations of bunker prices associated with the consumption of bunkers by its vessels. Bunker swaps are agreements between two parties to exchange cash flows at a fixed price on bunkers, where volume, time period and price are agreed in advance. The Company’s bunker swaps are settled through reputable clearing houses, including LCH. The fair value of bunker swaps is the estimated amount that the Company would receive or pay to terminate the swaps at the reporting date (Level 1). The Company’s bunker swaps do not qualify for hedge accounting and bunker price differentials paid or received under the swap agreements are recognized in the consolidated statements of operations under “(Gain)/Loss on forward freight agreements and bunker swaps, net”. z)               Taxation aa)             Offering costs ab)             Share repurchases : 2. Significant accounting policies – (continued): Recent accounting pronouncements – not yet adopted Reference Rate Reform (Topic 848):

Transactions with Related Parti

Transactions with Related Parties	12 Months Ended
Transactions with Related Parties	Dec. 31, 2021
Related Party Transactions [Abstract]
Transactions with Related Parties	3. Transactions with Related Parties Transactions and balances with related parties are analyzed as follows: Transactions with Related Parties - Balance Sheets (Table) Balance Sheet December 31, 2020 December 31, 2021 Due from related parties Oceanbulk Maritime and its affiliates (d) $ 426 $ 133 Interchart (a) 3 3 AOM (k) – 52 Starocean (j) 34 34 Coromel Maritime Limited (l) 1 – Product Shipping & Trading S.A. 17 20 Due from related parties $ 481 $ 242 Due to related parties Combine Marine Ltd. (c ) $ – $ 18 Management and Directors Fees (b) 252 159 Augustea Technoservices Ltd. and affiliates (f) 1,187 877 Iblea Ship Management Limited (h) – 372 Due to related parties $ 1,439 $ 1,426 Transactions with Related Parties - Statements of Operations (Table) Statements of Operations Years ended December 31, 2019 2020 2021 Voyage revenues: Voyage revenues - Eagle Bulk (m) $ – $ – $ 1,461 Voyage expenses: Voyage expenses-Interchart (a) $ (3,850) (3,780) $ (3,870) Voyage expenses- Augustea Technoservices Ltd. and affiliates (f) - (95) - Voyage expenses - Hartree Marine Fuels LLC (q) - - (9,566) General and administrative expenses: Consultancy fees (b) $ (655) $ (598) $ (535) Directors compensation (b) (179) (179) (183) Office rent - Combine Marine Ltd. & Alma Properties (c) (39) (40) (41) General and administrative expenses - Oceanbulk Maritime and its affiliates (d) (324) (268) (252) Management fees: Management fees- Augustea Technoservices Ltd. and affiliates (f) $ (6,564) $ (6,588) $ (6,472) Management fees- Songa Shipmanagement Ltd. (g) (32) - - Management fees- Iblea Ship Management Limited (h) - - (79) Charter-in hire expenses: Charter - in hire expenses - AOM (k) $ (2,589) $ (5,442) $ (4,069) Charter - in hire expenses - Sydelle (i) (5,505) (540) - Charter - in hire expenses - Coromel (l) (5,723) (249) - Charter - in hire expenses - Eagle Bulk (m) (1,908) - - 3. Transactions with Related Parties – (continued): a) Interchart Shipping Inc. (or “Interchart”): 33% 315 325 345 December 31, 2021 b) Management and Directors Fees: 537 15 15 7.5 5 c) Office rent: 2,500 2.9 1.14 January 2024 six year 300 0.3 1.14 d) Oceanbulk Maritime S.A. (or “Oceanbulk Maritime”): e) Oaktree Shareholder Agreement: four nine three two one three 33% f) Augustea Technoservices Ltd. and affiliates : 16 on August 3, 2018, the Company appointed Augustea Technoservices Ltd., an entity affiliated with certain of the sellers of the corresponding transaction and specifically with one of the Company’s directors, Mr. Zagari, as the technical manager of certain of its vessels. g) Songa Shipmanagement Ltd .: 15 the Company appointed Songa Shipmanagement Ltd, an entity affiliated with certain of the sellers of the corresponding transaction and specifically with one of the Company’s directors, Mr. , as the technical manager of certain of its vessels. On March 31, 2019, the respective management agreement was terminated. 3. Transactions with Related Parties - (continued): h) Iblea Ship Management Limited: i) Sydelle Marine Limited (or “Sydelle”) – Charter in Agreement: j) StarOcean Manning Philippines Inc. (or “Starocean”) 25% 75% 128 152 k) Augustea Oceanbulk Maritime Malta Ltd (or “AOM”): AOM Marta AOM Marta l) Coromel Maritime Limited (or “Coromel”): m) Eagle bulk Pte. Ltd. (or “Eagle Bulk”): 16.3 15.8 two months 39.3 n) Short Pool: During the second quarter of 2020, the Company together with Golden Ocean Group, Bocimar International NV and Oceanbulk International S.A (collectively the “Short Pool Members”) have agreed to enter into Contracts of Affreightment (“COAs”) with major miners and commodity traders to transport dry bulk commodities at fixed freight rates (the “Short Pool”). The Short Pool Members may use their own vessels or charter-in from the market to perform the COAs. o) Piraeus Bank S.A. (“Piraeus Bank”): 50,350 swap agreement with Piraeus Bank were early terminated in September 2021 p) Capesize Chartering Ltd. (or “CCL Pool”): 125 25% 125 q) Hartree Partners, LP:

Inventories

Inventories	12 Months Ended
Inventories	Dec. 31, 2021
Inventory Disclosure [Abstract]
Inventories	4. Inventories The amounts shown in the consolidated balance sheets are analyzed as follows: Inventories (Table) December 31, 2020 December 31, 2021 Lubricants $ 11,877 $ 12,522 Bunkers 35,417 62,555 Total $ 47,294 $ 75,077

Vessels and other fixed assets,

Vessels and other fixed assets, net	12 Months Ended
Vessels and other fixed assets, net	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Vessels and other fixed assets, net	5. Vessels and other fixed assets, net The amounts in the consolidated balance sheets are analyzed as follows: Vessels and other fixed assets net - Schedules of vessels and other fixed assets, net (Table) Cost Accumulated depreciation Net Book Value Balance, December 31, 2019 $ 3,475,996 $ (510,469) $ 2,965,527 - Acquisitions, improvements and other vessel costs 53,885 - 53,885 - Depreciation for the period - (142,293) (142,293) Balance, December 31, 2020 $ 3,529,881 $ (652,762) $ 2,877,119 - Acquisitions, improvements and other vessel costs 288,559 - 288,559 - Depreciation for the period - (152,640) (152,640) Balance, December 31, 2021 $ 3,818,440 $ (805,402) $ 3,013,038 As of December 31, 2021, 88 128 2,135,408 Title of ownership is held by the relevant lenders for another 35 vessels with a carrying value of $ 818,845 to secure the relevant sale and lease back financing transactions 616,578 5. Vessels and other fixed assets, net - (continued): Vessels acquired/delivered during the year ended December 31, 2020 and 2021: No vessel acquisitions or disposals took place during the year ended December 31, 2020. The amounts reported under “Acquisitions, improvements, and other vessel costs” in the table above which were incurred during the year ended December 31, 2020 were made mainly in connection with the acquisition and installation of scrubber equipment and ballast water management systems on certain of the Company’s vessels. On December 17, 2020, the Company entered into a definitive agreement with entities affiliated with E.R. Capital Holding GmbH & Cie. KG, pursuant to which the Company agreed to acquire three Star Marilena Star Bueno Star Borneo to the Company on January 26, 2021 39,000 2,100,000 On February 2, 2021, the Company entered into an agreement with Eneti Inc. (NYSE: NETI), formerly known as Scorpio Bulkers Inc., and certain other parties to acquire seven vessels, consisting of three Ultramax vessels, Star Athena SBI Pegasus) Star Bovarius (ex- SBI Ursa) Star Subaru (ex- SBI Subaru) Kamsarmax vessels, Star Capoeira (ex- SBI Capoeira) Star Carioca (ex- SBI Carioca) Star Lambada (ex- SBI Lambada) Macarena (ex- SBI Macarena) As consideration for this transaction the Company agreed to issue to Eneti Inc. 3,000,000 newly issued common shares of the Company. To facilitate the issuance of these common shares, the Company issued to Eneti Inc. a warrant to purchase up to 3,000,000 of the Company’s common shares (the “Eneti Warrant”). The Eneti Warrant was issued on February 2, 2021 and, subject to its terms and conditions, was agreed to be exercised at an exercise price of $ 0.01 per share in connection with the delivery date of each of the Eneti Acquisition Vessels. Six out of seven vessels were delivered to the Company on March 16, 2021 2,649,203 of its common shares and assuming the outstanding lease obligations attributable to these six vessels (Note 6). The seventh and final vessel, the Star Athena SBI Pegasus), May 19, 2021 350,797 common shares were issued and the Company assumed the vessel’s then outstanding lease obligations (Note 6). Lastly on March 3, 2021 the Company entered into a definitive agreement with a third party to acquire two 82,000 55,000 May 25, 2021 June 16, 2021 Star Elizabeth Star Pavlina Impairment Analysis In connection with the sale of Star Gamma Star Anna 3,411 In light of the economic downturn and the prevailing conditions in the shipping industry, as of December 31, 2020 and 2021, as part of the Company’s annual impairment analysis, the Company examined its operating vessels whose carrying value was above its market value. This analysis for both years 2020 and 2021 did not result in any impairment charges.

Lease financing

Lease financing	12 Months Ended
Lease financing	Dec. 31, 2021
Lease Financing
Lease financing	6.              Lease financing New financing through bareboat leases during the year ended December 31, 2021: On the delivery date of each Eneti Acquisition Vessel to the Company (Note 5), a tripartite novation agreement between China Merchants Bank Leasing (“CMBL”), Eneti Inc. and the Company was executed, which resulted in an increase of the Company’s lease financing obligations by $ 96,101 500 which is considered to be at significantly lower level compared to the expected fair value of each vessel at any date between May 2022 and the Pre- existing financing through bareboat leases: On August 27, 2020, the Company entered into sale and leaseback agreements with CMBL for the vessels Laura Idee Fixe Roberta Kaley Diva Star Sirius Star Vega 82,764 , in connection with the finalization of the sale and leaseback transactions of the aforementioned vessels, except for the vessel Diva 7,236 . The amounts received were used to pay the remaining amounts of i) $ 51,060 under the previous lease agreements for the first four vessels and ii) $ 24,630 under the then existing loan with DNB (the “DNB $310,000 Facility”) for the remaining three vessels. The lease terms are for five years and pursuant to the terms of each bareboat charter, the Company pays CMBL a fixed bareboat charter hire rate in quarterly installments plus interest and has options to purchase each vessel starting on the first anniversary of such vessel’s delivery to the Company, at a pre-determined, amortizing purchase price. On September 3, 2020, the Company entered into an agreement to sell Star Lutas seven-year bareboat charter and the Company has an option to purchase the vessel starting on the third anniversary of the vessel’s delivery to the Company at a pre-determined, amortizing purchase price. The Company also has an obligation to purchase the vessel at the expiration of the bareboat term at a purchase price of $ 7,441 . 16,000 9,258 On September 21, 2020, the Company entered into sale and leaseback agreements with SPDB Financial Leasing Co. Ltd for the vessels Mackenzie Kennadi Honey Badger Wolverine Star Antares 76,500 47,782 eight years 7,776 7,916 On September 25, 2020, the Company entered into sale and leaseback agreements with ICBC Financial Leasing Co., Ltd. (the “ICBC”) for the vessels Gargantua Goliath Maharaj 93,150 64,478 10 years at a purchase price of $ 14,000 6. Lease financing-(continued): Pre- existing financing through bareboat leases-(continued): On March 29, 2019, the Company entered into an agreement to sell Star Pisces seven-year bareboat charter and the Company has an option to purchase the vessel starting on the third anniversary of the vessel’s delivery to the Company at a pre-determined, amortizing purchase price. The Company also has an obligation to purchase the vessel at the expiration of the bareboat term at a purchase price of $ 7,628 . 19,125 11,671 On May 22, 2019, the Company entered into an agreement to sell Star Libra seven-year bareboat charter and the Company has an option to purchase the vessel at any time after the vessel’s delivery to the Company at a pre-determined, amortizing purchase price. The Company also has an obligation to purchase the vessel at the expiration of the bareboat term at a purchase price of $ 18,107 . 33,950 Star Libra. On July 10, 2019, the Company entered into an agreement to sell Star Challenger eleven-year bareboat charter party contract and the Company has an option to purchase the vessel starting on the third anniversary of vessel’s delivery to the Company at a pre-determined, amortizing purchase price. The Company also has an obligation to purchase the vessel at the expiration of the bareboat term. 15,000 10,874 In order to finance the cash portion of the consideration for the acquisition of 11 vessels from Delphin Shipping LLC, in July 2019, the Company entered, for each of the subject vessels, into an agreement to sell each such vessel and simultaneously entered into a seven-year bareboat charter 91,431 975 3,379 15,000 12 quarterly 19,222 In December 2018, the Company sold and simultaneously entered into a bareboat charter party contract with an affiliate of Kyowa Sansho to bareboat charter the vessel Star Fighter ten years . Pursuant to the terms of the bareboat charter, the Company pays a daily bareboat charter hire rate payable monthly plus a variable amount. Under the terms of the bareboat charter, the Company has an option to purchase the vessel starting on the third anniversary of the vessel’s delivery to the Company at a pre-determined, amortizing purchase price, while it has an obligation to purchase the vessel at the expiration of the bareboat term at a purchase price of $ 2,450 . The amount of $ 16,125 provided under the respective agreement was used to pay the remaining amount of approximately $ 11,958 under the then existing loan agreement. Some of the Company’s bareboat lease agreements contain financial covenants similar to those included in the Company’s credit facilities described in detail in Note 7 below. 6. Lease financing - (continued): All of the Company’s lease financing agreements, described above, contain purchase options during their terms, at pre-determined amortizing purchase prices, and/or purchase obligations at the expiration of their terms, at fixed prices, which , at the time of recognition were considered to be at significantly lower levels compared to the expected fair value of each vessel at that time. Based on applicable accounting guidance, such transactions are accounted for as financing arrangements and accordingly the Company presents the corresponding leased vessels at their net book values on its consolidated balance sheets in “ Vessels and other fixed assets, net”, while the financing liability is The principal payments required to be made after December 31, 2021, for the outstanding bareboat lease obligations recognized on the balance sheet as described above, are as follows: Lease financing - Capital lease obligations, Principal payments (Table) Twelve month periods ending Amount December 31, 2022 $ 50,434 December 31, 2023 48,843 December 31, 2024 46,798 December 31, 2025 75,842 December 31, 2026 110,434 December 31, 2027 and thereafter 125,440 Total bareboat lease minimum payments $ 457,791 Unamortized lease issuance costs (5,318) Total bareboat lease minimum payments, net $ 452,473 Lease financing short term 50,434 Lease financing long term, net of unamortized lease issuance costs 402,039

Long-term bank loans

Long-term bank loans	12 Months Ended
Long-term bank loans	Dec. 31, 2021
Debt Disclosure [Abstract]
Long-term bank loans	7. Long-term bank loans New Financing Activities during the year ended December 31, 2021 (i) SEB $39,000 Facility: On January 22, 2021 39,000 used to finance the cash consideration for the E.R. Acquisition Vessels January 26, 2021 20 quarterly 1,950 January 2026 first priority mortgage on the E.R. Acquisition Vessels (ii) NBG $125,000 Facility: On June 24, 2021 125,000 125,000 98,505 20 quarterly 3,750 50,000 June 2026 first priority mortgages on vessels Big Bang, Strange Attractor, Big Fish, Pantagruel , Star Nasia, Star Danai, Star Renee, Star Markella, Star Laura, Star Moira, Star Jennifer, Star Mariella, Star Helena, Star Maria, Star Triumph, Star Angelina and Star Gwyneth . (iii) ING $210,600 Facility: On August 19, 2021 40,000 40,000 two Star Elizabeth Star Pavlina ) 20 quarterly 294 14,118 ING $210,600 Facility, is secured also by a first priority mortgage on the additional vessels Star Elizabeth and Star Pavlina. (iv) DNB $107,500 Facility: On September 28, 2021 107,500 85,798 20 quarterly 3,707 33,362 September 2026 The DNB $107,500 Facility is secured by first priority mortgages on the vessels Star Luna, Star Astrid, Star Genesis, Star Electra, Star Glory Star Monica, Star Borealis and Star Polaris. (v) ABN AMRO $97,150 Facility: On October 27, 2021 97,150 97,150 89,850 two 68,950 20 quarterly 2,250 23,950 7. Long-term bank loans- (continued): New Financing Activities during the year ended December 31, 2021 – (continued) the last installment due in October 2026 28,200 12 quarterly 2,350 October 2024 The ABN AMRO $97,150 Facility is secured by a first priority mortgage on the vessels Star Pauline, Star Angie, Star Sophia, Star Georgia, Star Kamila, Star Nina, Star Eva, Star Paola, Star Aphrodite, Star Lydia and Star Nicole. (vi) Credit Agricole $62,000 Facility: On October 29, 2021 62,000 49,391 1,999 Star Despoina Star Piera 62,000 20 quarterly 3,000 2,600 8,800 November 2026 The Credit Agricole $62,000 Facility is secured by the vessels Star Martha, Star Sky, Stardust, Star Despoina and Star Piera. Pre - Existing Loan Facilities i) HSBC Working Capital Facility: On February 6, 2020 30,000 in order to finance working capital requirements The agreement is secured by second priority mortgage on the eight vessels which secure the HSBC $80,000 Facility. no ii) DSF $55,000 Facility On March 26, 2020 55,000 two 27,500 used to refinance the outstanding amounts under the lease agreements of the vessels Star Eleni and Star Leo 10 semi-annual 1,058 16,923 April 2025 The DSF $55,000 Facility is secured by a first priority mortgage on the two vessels. US LIBOR 0.581% three years July 1, 2020 iii) ING $170,600 Facility On July 1, 2020 70,000 70,000 six and used to refinance all outstanding amounts under the lease agreements with CMBL of the vessels Star Claudine, Star Ophelia, Star Lyra, Star Bianca, Star Flame and Star Mona 24 quarterly 22,500 28 quarterly 469 9,375 was used to refinance the outstanding amount under the then existing loan agreement of the vessels Peloreus and Leviathan , 1,400 16 88 used to finance the acquisition and installation of scrubber equipment for the vessels Peloreus and Leviathan 32,100 17,400 28 quarterly 535 311 17,120 8,700 , used to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Magnanimus and Star Alessia , 1,400 16 quarterly 88 used to finance the acquisition and installation of scrubber equipment for the vessels Star Magnanimus and Star Alessia . The ING $170,600 Facility is secured by a first priority mortgage on the vessels Peloreus, Leviathan, Star Magnanimus, Star Alessia, Star Claudine, Star Ophelia, Star Lyra, Star Bianca, Star Flame and Star Mona 7. Long-term bank loans- (continued): Pre - Existing Loan Facilities – (continued) iv) NTT $17,600 Facility On July 10, 2020 17,600 and used to refinance the outstanding amount under the lease agreement with CMBL of the vessel Star Calypso 20 quarterly 476 8,086 The NTT $17,600 Facility is secured by first priority mortgage on the aforementioned vessel. v) CEXIM $57,564 Facility On December 1, 2020 57,564 four 41,982 Star Gina 2GR Star Charis Star Suzanna Star Wave Star Wave 13,209 Star Gina 2GR 26,175 , 32 quarterly 330 654 2,642 5,235 9,090 Star Charis Star Suzanna, 32 quarterly The facility matures in December 2028 and is secured by first priority mortgages on the four aforementioned vessels. vi) SEB Facility: On January 28, 2019 71,420 four 32,825 used together with cash on hand to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Laetitia Star Sienna . 24 quarterly 677 524 18,723 January 2025 1,260 were used to finance the acquisition and installation of scrubber equipment for the respective vessels. 12 quarterly The SEB Facility is secured by a first priority mortgage on the two vessels. vii) E SUN Facility: On January 31, 2019 37,100 was used to refinance the outstanding amount under the then existing lease agreement of the vessel Star Ariadne 37,100 20 quarterly 618 24,733 March 2024 The E.SUN Facility is secured by a first priority mortgage on the vessel Star Ariadne viii) Atradius Facility: On February 28, 2019 36,645 was used to finance the acquisition and installation of scrubber equipment for 42 33,311 3,331 1,999 Star Despoina Star Piera six semi-annual 3,331 June 2024 The facility is secured by a second-priority mortgage on 20 vessels of the Company’s fleet. 7. Long-term bank loans- (continued): Pre - Existing Loan Facilities – (continued) ix) Citibank $62,600 Facility: On May 8, 2019 62,563 was used, together with cash on hand, to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Virgo Star Marisa 20 quarterly 1,298 36,611 May 2024 The Citibank $62,600 Facility is secured by a first priority mortgage on the aforementioned vessels. x) CTBC Facility: On May 24, 2019 35,000 was used to refinance the outstanding amount under the then existing lease agreement of the vessel Star Karlie 20 quarterly 730 20,400 May 2024 The CTBC Facility is secured by first priority mortgage on the aforementioned vessel xi) NTT Facility: On July 31, 2019 17,500 was used to refinance the outstanding amount of $ 11,161 Star Aquarius 27 quarterly 313 9,063 August 2026 The NTT Facility is secured by first priority mortgage on the vessel Star Aquarius xii) CEXIM $106,470 Facility: On September 23, 2019 106,470 was used to refinance the outstanding amounts under the then existing lease agreements of the vessels Katie K, Debbie H and Star Ayesha . three 35,490 40 quarterly 739 5,915 The CEXIM $106,470 Facility is secured by first priority mortgages on the three aforementioned vessels. xiii) HSBC $80,000 Facility: On September 26, 2018 80,000 to refinance the aggregate outstanding amount of $ 74,647 80,000 7,505 quarterly 2,140 August 2023 29,095 As of December 31, 2021, the facility is secured by the vessels Kymopolia, Mercurial Virgo, Pendulum, Amami, Madredeus, Star Emily, Star Omicron, and Star Zeta. 7. Long-term bank loans - (continued): Pre - Existing Loan Facilities – (continued) xiv) ABN $115,000 Facility: On December 17, 2018 115,000 four 69,525 7,900 first tranche was used to refinance the then existing indebtedness of the vessels Star Virginia, Star Scarlett, Star Jeannette and Star Audrey second was used to partially finance the acquisition cost of Star Bright 20 quarterly 1,705 282 December 2023 35,428 2,260 17,875 used to partially finance the acquisition cost of Star Marianne and Star Janni 19 quarterly 672 December 2023 5,114 The loan is secured by a first priority mortgage on the vessels Star Virginia, Star Scarlett, Star Jeannette, Star Audrey, Star Bright, Star Marianne and Star Janni . Redemption 8.30% 2022 Notes: On November 9, 2017, the Company completed a public offering of $ 50,000 8.30% quarterly in arrears on the 15th day of February, May, August and November commencing on February 15, 2018 November 15, 2022 100% 7. Long-term bank loans - (continued): All of the Company’s aforementioned facilities are secured by a first-priority ship mortgage on the financed vessels under each facility (one of the facilities is secured by second-priority ship mortgage) and general and specific assignments and guaranteed by Star Bulk Carriers Corp. Credit Facilities Covenants: The Company’s outstanding credit facilities generally contain customary affirmative and negative covenants, on a subsidiary level, including limitations to: · pay dividends if there is an event of default under the Company’s credit facilities; · incur additional indebtedness, including the issuance of guarantees, refinance or prepay any indebtedness, unless certain conditions exist; · create liens on Company’s assets, unless otherwise permitted under Company’s credit facilities; · change the flag, class or management of Company’s vessels or terminate or materially amend the management agreement relating to each vessel; · acquire new or sell vessels, unless certain conditions exist; · merge or consolidate with, or transfer all or substantially all Company’s assets to, another person; or · enter into a new line of business. Furthermore, the Company’s credit facilities contain financial covenants requiring the Company to maintain various financial ratios, including among others: · a minimum percentage of vessel value to secured loan amount (security cover ratio or “SCR”); · a maximum ratio of total liabilities to market value adjusted total assets; · a minimum liquidity; and · a minimum market value adjusted net worth. As of December 31, 2020 and 2021, the Company was required to maintain minimum liquidity, not legally restricted, of $ 58,000 64,000 12,320 22,986 As of December 31, 2021, the Company was in compliance with the applicable financial and other covenants contained in its bank loan agreements and lease financings described in Note 6. 7. Long-term bank loans - (continued): The weighted average interest rate (including the margin) related to the Company’s debt (including 2022 Notes until their redemption date) and lease financings for the years ended December 31, 2019, 2020 and 2021 was 5.28% 3.63% 2.94% 806 65 93 Long-term bank loans - Principal repayments (Table) Twelve month periods ending Amount December 31, 2022 $ 156,701 December 31, 2023 229,392 December 31, 2024 203,988 December 31, 2025 197,233 December 31, 2026 246,580 December 31, 2027 and thereafter 66,214 Total Long term bank loans $ 1,100,108 Unamortized loan issuance costs (10,853) Total Long term bank loans, net $ 1,089,255 Current portion of long term bank loans 156,701 Long term bank loans, net of current portion and unamortized loan issuance costs 932,554 All of the Company’s bank loans and applicable lease financings bear interest at LIBOR plus a margin, except for DSF $55,000 Facility described above. The amounts of “Interest and finance costs” included in the consolidated statements of operations are analyzed as follows: Long-term bank loans - Interest and finance costs (Table) Years ended December 31, 2019 2020 2021 Interest on financing agreements $ 81,393 $ 58,379 $ 45,453 Less: Interest capitalized (1,018) – – Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other Comprehensive Income (Note 17) – 848 2,351 Amortization of debt (loan, lease & notes) issuance costs 5,590 7,815 6,511 Other bank and finance charges 1,652 2,513 1,721 Interest and finance costs $ 87,617 $ 69,555 $ 56,036 In connection with the prepayments described above and of lease financings, discussed in Note 6, following the sale of mortgaged vessels and the refinancing of certain credit facilities, during the years ended December 31, 2019, 2020 and 2021, $ 1,229 3,701 3,612 2,297 1,223 388 Also in connection with the prepayments described above the Company early terminated certain of its interest rate swaps (Note 17) and the Company received an amount of $ 307 the interest rate swaps on the termination date. Lastly, upon the an amount of $ 436 was written off, provided that the forecasted transactions associated with this hedge were no longer probable since the corresponding loan was fully prepaid. Both aforementioned amounts are included under for the year ended December 31, 2021.

Preferred, Common Shares and Ad

Preferred, Common Shares and Additional paid in capital	12 Months Ended
Preferred, Common Shares and Additional paid in capital	Dec. 31, 2021
Equity [Abstract]
Preferred, Common Shares and Additional paid in capital	8. Preferred, Common Shares and Additional paid in capital Preferred Shares: 25,000,000 0.01 Common Shares: 300,000,000 0.01 Each outstanding share of the Company’s common shares entitles the holder to one vote on all matters submitted to a vote of shareholders. Subject to preferences that may be applicable to any outstanding preferred shares, holders of common shares are entitled to ratably receive all dividends, if any, declared by the Company’s Board of Directors out of funds legally available for dividends. Holders of common shares do not have conversion, redemption or preemptive rights to subscribe to any of the Company’s securities. All outstanding common shares are fully paid and non-assessable. The rights, preferences and privileges of holders of common shares are subject to the rights of the holders of any preferred shares which the Company may issue in the future. On November 29, 2018, the Company announced a share repurchase program to purchase up to an aggregate of $ 50.0 341,363 9.17 3,145 Pursuant to this share repurchase program, during the twelve month period ended December 31, 2019, the Company repurchased 1,020,000 8.40 8.6 million 1,579,195 7.49 11,831 In January 2019, the Company issued 999,336 Star Janni Star Marianne During the year ended December 31, 2019, the Company issued 4,503,370 11 During the year ended December 31, 2019, the Company issued 883,700 4,804 0.05 During the year ended December 31, 2020, the Company issued 1,073,490 the Company paid a cash dividend of $ 4,804 (or $ 0.05 per common share) for the fourth quarter of 2019, in line with the dividend policy established in November 2019. On August 5, 2021, the Board of Directors authorized a new share repurchase program of up to an aggregate of $ 50.0 466,268 22.01 10.3 million As further discussed in Note 5, during the year ended December 31, 2021 the Company issued 2,100,000 3,000,000 6,971 8. Preferred, Common Shares and Additional paid in capital – (continued): On June 24, 2021, OCM XL Holdings, L.P., a special purpose holding vehicle owned indirectly by certain funds and accounts managed by Oaktree Capital Management, L.P., the Company’s largest shareholder, completed an underwritten secondary sale of 2,382,775 22.00 On July 1, 2021, the Company entered into two 75,000 . As of December 31, 2021 no shares have been sold from the Company under either of the two offering programs. During the year ended December 31, 2021, the Company issued 521,310 230,473 0.30 0.70 1.25 233

Management fees

Management fees	12 Months Ended
Management fees	Dec. 31, 2021
Management Fees
Management fees	9. Management fees The Company has engaged Ship Procurement Services S.A. (“SPS”), a third party company, to provide to its fleet certain procurement services. During the years ended December 2018 and 2019, the Company entered into the following management agreements with: i) Augustea Technoservices Ltd and Songa Shipmanegement Ltd to provide technical management to certain of its vessels, following the completion of the Augustea Vessel Purchase Transaction and Songa Vessel Purchase Transaction (Note 3) and ii) Equinox Maritime Ltd, Zeaborn GmbH & Co. KG and Technomar Shipping Inc to provide certain management services to certain of its vessels. During the first quarter of 2019, all management agreements with Songa Shipmanagement Ltd. were terminated. In addition, in 2021 the Company appointed Iblea Ship Management Limited to provide certain management services to certain vessels, which previously were managed by Augustea Technoservices Ltd (Note 3).Total management fees under the aforementioned management agreements in effect for the years ended December 31, 2019, 2020 and 2021, were $ 17,500 18,405 19,489

Equity Incentive Plans

Equity Incentive Plans	12 Months Ended
Equity Incentive Plans	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Equity Incentive Plans	10. Equity Incentive Plans On January 7, 2019, the Company’s Board of Directors and Compensation Committee established an incentive program for key employees, pursuant to which an aggregate of 4,000,000 10 400,000 Each RSU would represent, upon vesting, a right for the beneficiary to receive one common share of the Company. 120,000 300,000 April 30, 2021 April 30, 2022 two million 400,000 1,235 s of December 31, 2020, the Company determined that the updated likelihood of vesting for any of the 4,000,000 RSUs did not meet a “more likely than not” threshold under US GAAP. As a result, the previously recognized expense of $ 1,235 was reversed in 2020 and is included under “General and administrative expenses” in the consolidated statement of operations for the year ended December 31, 2020. 10. Equity Incentive Plans - (continued): On June 7, 2021, the Company’s Board of Directors amended the previously announced incentive program. The test metrics for the calculation of the underlying shares of the RSUs that would have been issued, the tranches and the vesting variables were eliminated. Instead, the incentive program provides for the issuance of shares and Bunker Benefit In particular, the threshold requirement above which the amended program is triggered is increased to $ 250 .0 million of cumulative Bunker Benefit (instead of the previous threshold of $ 120 .0 million Indices outperformance). Upon the satisfaction of the above new threshold, the Board of Directors shall award a percentage ranging between 5% - 10% , at its discretion, of the annual Bunker Benefit, the value of which will be reflected in actual shares to key employees. The duration of the program was also extended from April 2022 to the end of 2024. 5% 1,190 . On May 22, 2019, the Company’s Board of Directors adopted the 2019 Equity Incentive Plan (the “2019 Plan”) and reserved for issuance 900,000 885,000 685,462 99,769 99,769 On May 25, 2020, the Company’s Board of Directors adopted the 2020 Equity Incentive Plan (the “2020 Plan”) and reserved for issuance 1,100,000 1,100,000 855,380 122,310 122,310 5.09 On June 7, 2021, the Company’s Board of Directors adopted the 2021 Equity Incentive Plan (the “2021 Plan”) and reserved for issuance 515,000 common shares thereunder. On the same date, the Company granted all of the 515,000 restricted common shares to certain directors, officers and employees, of which 401,750 restricted common shares vested in September 2021, 56,625 restricted common shares vest in June 2022 and the remaining 56,625 restricted common shares vest in June 2024. The fair value of each restricted share was $ 18.88 , based on the latest closing price of the Company’s common shares on the grant date. 10. Equity Incentive Plans - (continued): Pursuant to the aforementioned equity incentive plans, during the years ended December 31, 2019, 2020 and 2021 the Company issued 883,700 common shares, 1,073,490 common shares and 521,310 common shares, respectively. All non-vested shares and options, if any, vest according to the terms and conditions of the applicable award agreements. The grantee does not have the right to vote the non-vested shares or exercise any right as a shareholder of the non-vested shares, although the issued and non-vested shares pay dividends as declared. The dividends with respect to these shares are forfeitable if the service conditions are not fulfilled. Share options have no voting or other shareholder rights. For the years ended December 31, 2019, 2020 and 2021 the Company paid $ 14 14 875 The shares which are issued in accordance with the terms of the Company’s equity incentive plans or awards remain restricted until they vest. For the years ended December 31, 2019, 2020 and 2021, the share based compensation cost (including the RSUs) was $ 7,943 4,624 10,335 A summary of the status of the Company’s non-vested restricted shares as of December 31, 2019, 2020 and 2021, and the movement during these years, is presented below: Equity Incentive Plans - Summary of non-vested restricted share options (Table) Number of shares Weighted Average Grant Date Fair Value Unvested as at January 1, 2019 143,000 $ 12.49 Granted 885,000 8.13 Vested (756,962) 8.54 Unvested as at December 31, 2019 271,038 $ 9.28 Unvested as at January 1, 2020 271,038 $ 9.28 Granted 1,100,000 5.09 Vested (955,149) 5.41 Unvested as at December 31, 2020 415,889 $ 7.09 Unvested as at January 1, 2021 415,889 $ 7.09 Granted 515,000 18.88 Vested (595,560) 15.28 Unvested as at December 31, 2021 335,329 $ 10.65 On April 13, 2015, the Board of Directors granted share purchase options of up to 104,250 27.50 A summary of the status and movement of the Company’s non-vested share options as of the year ended December 31, 2019 and the period from January 1, 2020 until April 13, 2020 when these options expired is presented below. Equity Incentive Plans - Summary of non-vested share options (Table) Options Number of options Weighted average exercise price Weighted Average Grant Date Fair Value Outstanding at beginning of period 104,250 $ 27.5 $ 7.0605 Granted - - - Vested - - - Outstanding at end of period 104,250 $ 27.5 $ 7.0605 As of December 31, 2021, the estimated compensation cost relating to non-vested restricted share awards not yet recognized was $ 1,777 1.59 7,703 6,681 13,104

Earnings _ (Loss) per share

Earnings / (Loss) per share	12 Months Ended
Earnings / (Loss) per share	Dec. 31, 2021
Earnings Per Share [Abstract]
Earnings / (Loss) per share	11. Earnings / (Loss) per share All common shares issued (including the restricted shares issued under the Company’s equity incentive plans) have equal rights to vote and participate in dividends. The restricted shares issued under the Company’s equity incentive plans are subject to forfeiture provisions set forth in the applicable award agreement. The calculation of basic earnings per share does not consider the non-vested shares as outstanding until the time-based vesting restriction has lapsed. For the purpose of calculating diluted earnings / (loss) per share, the weighted average number of diluted shares outstanding includes the incremental shares assumed issued, determined in accordance with the treasury stock method. For the year ended December 31, 2019, during which the Company incurred losses, the effect of i) 271,038 104,250 11. Earnings / (Loss) per share - (continued): The Company calculates basic and diluted loss per share as follows: Earnings / (Loss) per share (Table) Years ended December 31, 2019 2020 2021 Income / (Loss) : Net income / (loss) $ (16,201) $ 9,660 $ 680,530 Basic earnings / (loss) per share: Weighted average common shares outstanding, basic 93,735,549 96,128,173 101,183,829 Basic earnings / (loss) per share $ (0.17) $ 0.10 $ 6.73 Effect of dilutive securities: Dillutive effect of non vested shares – 153,216 295,243 Weighted average common shares outstanding, diluted 93,735,549 96,281,389 101,479,072 Diluted earnings / (loss) per share $ (0.17) $ 0.10 $ 6.71

Accrued liabilities

Accrued liabilities	12 Months Ended
Accrued liabilities	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued liabilities	12. Accrued liabilities The amounts shown in the consolidated balance sheets are analyzed as follows: Accrued liabilities (Table) December 31, 2020 December 31, 2021 Audit fees $ 341 $ 400 Legal fees 137 122 Other professional fees 2,300 1,739 Vessel Operating and voyage expenses 12,481 24,406 Loan and interest rate swaps interest and financing fees 5,547 4,083 Income tax 134 60 Total Accrued Liabilities $ 20,940 $ 30,810

Income taxes

Income taxes	12 Months Ended
Income taxes	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income taxes	13. Income taxes The Company is in the business of international shipping and is not subject to a material amount of income taxes. The Company is subjected to tonnage taxes in certain jurisdictions as described below and includes these taxes under “Vessel Operating Expenses” in the consolidated statements of operations. The Company does receive dividends from its operating subsidiaries and these are not subject to withholding taxes nor are these dividends taxed at the Company upon receipt. Thus, the Company does not record deferred tax liabilities for any unremitted earnings as there are no taxes associated with the remittances. The Company is subjected to tax audits in the jurisdictions it operates in. There have been no adjustments assessed to the Company in the past and the Company believes there are no uncertain tax positions to consider. a) Taxation on Marshall Islands Registered Companies and tonnage tax Under the laws of the countries of the shipowning companies’ incorporation and/or vessels’ registration, the shipowning companies are not subject to tax on international shipping income. However, they are subject to registration and tonnage taxes. In addition, each foreign flagged vessel managed in Greece by Greek or foreign ship management companies is subject to Greek tonnage tax, under the laws of the Hellenic Republic. The technical managers of the Company’s vessels, which are established in Greece under Greek Law 89/67, are responsible for the filing and payment of the respective tonnage tax on behalf of the Company. Furthermore, under the New Tonnage Tax System (“TTS”) for Cypriot merchant shipping, qualifying ship managers who opted and are accepted to be taxed under the TTS are subject to an annual tax referred to as tonnage tax, which is calculated on the basis of the net tonnage of the qualifying ships they manage. The technical managers of the Company’s vessels, which are established and operate in Cyprus, are responsible for the filing and payment of the respective tonnage tax. These taxes for 2019, 2020 and 2021 were $ 2,087 2,103 2,634 b) Taxation on US Source Income - Shipping Income Under the United States Internal Revenue Code of 1986, as amended (the “Code”), the U.S. source gross transportation income of a ship-owning or chartering corporation, such as the Company, is subject to a 4% U.S. federal income tax without allowance for deduction, unless that corporation qualifies for exemption from tax under Section 883 of the Code and the Treasury Regulations promulgated thereunder. U.S. source gross transportation income consists of 50% of the gross shipping income that is attributable to transportation that begins or ends, but that does not both begin and end, in the United States. Under IRS regulations, a Company’s shares will be considered to be regularly traded on an established securities market if (i) one or more classes of its shares representing 50% or more of its outstanding shares, by voting power of all classes of shares of the corporation entitled to vote and of the total value of the shares of the corporation, are listed on the market and (ii) (A) such class of share is traded on the market, other than in minimal quantities, on at least 60 days during the taxable year or one sixth of the days in a short taxable year; and (B) the aggregate number of shares of such class of share traded on such market during the taxable year must be at least 10% of the average number of shares of such class of share outstanding during such year or as appropriately adjusted in the case of a short taxable year. Notwithstanding the foregoing, the treasury regulations provide, in pertinent part, that a class of the Company’s shares will not be considered to be “regularly traded” on an established securities market for any taxable year in which 50% or more of the vote and value of the outstanding shares of such class are owned, actually or constructively under specified share attribution rules, on more than half the days during the taxable year by persons who each own 5% or more of the vote and value of such class of the Company’s outstanding shares, (“5% Override Rule”). For the taxable years 2019, 2020 and 2021 the Company believes that it was exempt from U.S. federal income tax of 4% on U.S. source shipping income, as it believes that it satisfies the Publicly Traded Test for these years because it is not subject to the 5% Override Rule. 13. Income taxes – (continued): c) Other Taxation In addition to the tax consequences described above, the Company may be subject to tax in one or more other jurisdictions, including Malta, Germany and Singapore, where the Company conducts activities through certain of its subsidiaries. The Company believes that its tax exposure for years ended December 31, 2019, 2020 and 2021 in the above jurisdictions is immaterial. The amount of income taxes recognized with respect to these jurisdictions for the years ended December 31, 2019, 2020 and 2021 was $ 109 152 16

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	14.           Commitments and Contingencies a) Legal proceedings Various claims, suits, and complaints, including those involving government regulations and product liability, arise in the ordinary course of the shipping business. In addition, losses may arise from disputes with charterers, agents, insurance and other claims with suppliers relating to the operations of the Company’s vessels. The Company’s vessels are covered for pollution of $1 billion per vessel per incident, by the Protection and Indemnity (P&I) Association in which the Company’s vessels are entered. The Company’s vessels are subject to calls payable to their P&I Association and may be subject to supplemental calls which are based on estimates of premium income and anticipated and paid claims. Such estimates are adjusted each year by the Board of Directors of the P&I Association until the closing of the relevant policy year, which generally occurs within three years from the end of the policy year. Supplemental calls, if any, are expensed when they are announced and according to the period they relate to. The Company is not aware of any supplemental calls in respect of any policy years other than those that have already been recorded in its consolidated financial statements. b) Other contingencies: Contingencies relating to Heron On July 11, 2014, Oceanbulk Shipping became a wholly owned subsidiary of the Company. Oceanbulk Shipping owned a convertible loan, which was convertible into 50% of Heron Ventures Ltd’s (“Heron”) equity. After the conversion of the loan, on November 5, 2014, Heron was a 50-50 joint venture between Oceanbulk Shipping and ABY Group Holding Limited, and Oceanbulk Shipping shared joint control over Heron with ABY Group Holding Limited. Based on the applicable related agreements, neither party will entirely control Heron. In addition, any operational and other decisions with respect to Heron will need to be jointly agreed between Oceanbulk Shipping and ABY Group Holding Limited. As of December 31, 2017, all vessels previously owned by Heron have been either sold or distributed to its equity holders. While Oceanbulk Shipping and ABY Group Holding Limited intend that Heron eventually will be dissolved shortly after receiving permission from local authorities in Malta, until that occurs, contingencies to the Company may arise. However, the pre-transaction investors in Heron effectively remain as ultimate beneficial owners of Heron, until Heron is dissolved on the basis that, according to the agreement governing the Merger, any cash received or paid by the Company from the final liquidation of Heron will be settled accordingly by the pre-Merger investors in Oceanbulk (the “Oceanbulk Sellers”). The Company had no outstanding balance with the Oceanbulk Sellers as of December 31, 2017 and thereafter. In July 2018, ABY Group Holding Limited transferred to ABY Floriana Limited its interests to Heron. The Company concluded that there should not be significant financial impact and therefore no provision has been made. 14. Commitments and Contingencies - (continued): c) Commitments: The following table sets forth inflows and outflows, related to the Company’s charter party arrangements and other commitments, as of December 31, 2021. Charter party agreements Commitments and Contingencies - Charter party arrangements (Table) Twelve month periods ending December 31, + inflows/ - outflows Total 2022 2023 2024 2025 2026 2027 and thereafter Future, minimum, non-cancellable charter revenue (1) $ 109,959 $ 109,959 $ - $ - $ - $ - $ - Total $ 109,959 $ 109,959 $ - $ - $ - $ - $ - (1) The amounts represent the minimum contractual charter revenues to be generated from the existing, as of December 31, 2021, non-cancellable time charter agreements, until their expiration, net of address commission, assuming no off-hire days, other than those related to scheduled interim and special surveys of the vessels. Other commitments: Commitments and Contingencies - Other commitments (Table) Twelve month periods ending December 31, + inflows/ - outflows Total 2022 2023 2024 2025 2026 2027 and thereafter Vessel BWTS (1) (21,836) (19,182) (2,524) (130) - - - Total $ (21,836) $     (19,182) $ (2,524) $ (130) $ - $ - $ - (1) The amounts represent the Company’s commitments as of December 31, 2021, for installation of Ballast Water Treatment System (“BWTS”) on its vessels so as to comply with environmental regulations.

Voyage revenues

Voyage revenues	12 Months Ended
Voyage revenues	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Voyage revenues	15. Voyage revenues The following table shows the voyage revenues earned from time charters, voyage charters and pool agreements for the years ended December 31, 2019, 2020 and 2021, as presented in the consolidated statements of operation: Voyage revenues (Table) Years ended December 31, 2019 2020 2021 Time charters $ 373,927 $ 309,503 $ 745,442 Voyage charters 437,779 385,482 683,146 Pool revenues 9,659 (1,744) (1,165) $ 821,365 $ 693,241 $ 1,427,423 As of December 31, 2021, trade accounts receivable (excluding the provision for doubtful debt) by $ 43,227 13,285 compared to December 31, 2020. These changes were primarily attributable to the significant improved market rates prevailing during the year 2021 and as of December 31, 2021 compared to the same period in 2020 and also the timing of collections. 15. Voyage revenues - (continued): Further, as of December 31, 2021, increased by $ 2,736 2,187 4,923 11,675 24,960 The adjustment to Company’s revenues from the vessels operating in the CCL Pool (Note 3), deriving from the allocated pool result for those vessels as determined in accordance with the agreed-upon formula, for the years ended December 31, 2019, 2020 and 2021 9,524 ($3,695) ($4,188) respectively, while the years ended December 31, 2020 and 2021 was $ 1,923 ($328) 3,351 As discussed in Note 1, during 2019, 2020 and 2021 the Company chartered-in a number of third-party vessels, to increase its operating capacity in order to satisfy its clients’ needs. 185,311 36,234 20,215 15,253 243 1,212

Voyage and Vessel operating exp

Voyage and Vessel operating expenses	12 Months Ended
Voyage and Vessel operating expenses	Dec. 31, 2021
Voyage And Vessel Operating Expenses
Voyage and Vessel operating expenses	16. Voyage and Vessel operating expenses The amounts in the consolidated statements of operations are analyzed as follows: Voyage and Vessel operating expenses - Voyage expenses (Table) Years ended December 31, 2019 2020 2021 Voyage expenses Port charges $ 63,576 $ 55,738 $ 63,027 Bunkers 146,089 130,800 139,252 Commissions – third parties 6,828 6,134 13,955 Commissions – related parties (Note 3) 3,850 3,780 3,870 Miscellaneous 2,619 3,606 6,007 Total voyage expenses $ 222,962 $ 200,058 $ 226,111 Voyage and Vessel operating expenses - Vessel operating expenses (Table) Vessel operating expenses Crew wages and related costs $ 103,701 $ 109,311 $ 126,180 Insurances 10,311 13,002 14,981 Maintenance, repairs, spares and stores 25,675 37,947 44,646 Lubricants 9,833 10,669 11,823 Tonnage taxes (Note 13) 2,087 2,103 2,634 Pre-delivery and Pre-joining expenses 1,507 – 3,104 Miscellaneous 6,948 5,511 5,293 Total vessel operating expenses $ 160,062 $ 178,543 $ 208,661

Fair Value Measurements and Hed

Fair Value Measurements and Hedging	12 Months Ended
Fair Value Measurements and Hedging	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements and Hedging	17. Fair Value Measurements and Hedging The guidance for fair value measurements applies to all assets and liabilities that are being measured and reported on a fair value basis. This guidance enables the reader of the financial statements to assess the inputs used to develop those measurements by establishing a hierarchy for ranking the quality and reliability of the information used to determine fair values. The same guidance requires that assets and liabilities carried at fair value should be classified and disclosed in one of the following three categories based on the inputs used to determine its fair value: Level 1: Quoted market prices in active markets for identical assets or liabilities; Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data; Level 3: Unobservable inputs that are not corroborated by market data. In addition, ASC 815, “Derivatives and Hedging” requires companies to recognize all derivative instruments as either assets or liabilities at fair value in the balance sheet. Fair value on a recurring basis: Interest rate swaps: The Company from time to time enters into interest rate derivative contracts to manage interest costs and risk associated with changing interest rates with respect to its variable interest loans and credit facilities. As of December 2019, the Company had no interest rate swaps open positions. During the year ended December 31, 2020, the Company entered into various interest rate swaps with ING, DNB Bank ASA (“DNB”), SEB, Citibank Europe PLC (“Citi”), Piraeus Bank and Alpha Bank the Company early terminated certain of those interest rate swaps that were in effect as of December 31, 2020 and entered into a new interest rate swap agreement with the National Bank of Greece (“NBG”), SEB and . Fair Value Measurements and Hedging - Schedule of Derivative Instrument Counterparty Trading Date Inception Expiry Fixed Rate Initial Notional Current Notional ING March 10, 2020 March 29, 2020 March 29, 2026 0.7000% $ 29,960 $ 26,215 ING March 10, 2020 April 2, 2020 October 2, 2025 0.7000% $ 39,375 $ 33,750 ING March 18, 2020 April 3, 2020 April 3, 2023 0.6750% $ 16,157 $ 14,293 SEB March 6, 2020 April 30, 2020 January 30, 2025 0.7270% $ 58,885 $ 51,072 Citi June 11, 2020 July 30, 2020 October 18, 2023 0.3300% $ 104,450 $ 86,200 Citi June 11, 2020 August 10, 2020 May 10, 2024 0.3510% $ 56,075 $ 49,587 Citi June 11, 2020 June 22, 2020 December 20, 2023 0.3380% $  94,538 $ 74,557 Citi June 11, 2020 June 29, 2020 August 28, 2023 0.3280% $ 56,915 $ 44,075 Citi June 11, 2020 July 21, 2020 July 21, 2023 0.3250% $ 99,816 $ 88,725 Citi June 11, 2020 August 28, 2020 May 28, 2024 0.3520% $ 31,350 $ 27,700 Citi June 11, 2020 September 1, 2020 March 1, 2024 0.3430% $ 33,390 $ 30,298 ING July 20 July 8, 2020 July 6, 2020 July 6, 2026 0.3700% $ 70,000 $ 55,417 SEB February 12, 2021 April 26, 2021 January 26, 2026 0.4525% $ 37,050 $ 33,150 ABN February 24, 2021 March 20, 2021 December 20, 2023 0.3120% $ 84,548 $ 74,557 NBG June 29, 2021 June 28, 2021 June 28, 2023 0.6500% $ 125,000 $ 117,500 17. Fair Value Measurements and Hedging - (continued): The above interest rate swaps were designated and qualified as cash flow hedges. The effective portion of the unrealized gains/losses from those swaps is recorded in Other Comprehensive Income / (Loss). No portion of the cash flow hedges was ineffective during the years ended December 31, 2020 and 2021. A loss of approximately $ 654 ected to be rec Forward Freight Agreements (“FFAs”) and Bunker Swaps: During the years ended December 31, 2019, 2020 and 2021, the Company entered into a certain number of FFAs and options for FFAs on the Capesize, Panamax and Supramax indices. The results of the Company’s FFAs during the years ended December 31, 2019, 2020 and 2021 and the valuation of the Company’s open position as at December 31, 2020 and 2021 are presented in the tables below. During the years ended December 31, 2019, 2020 and 2021, the Company entered into a certain number of bunker swaps. The results of the Company’s bunker swaps during the years ended December 31, 2019, 2020 and 2021 and the valuation of the Company’s open position as at December 31, 2020 and 2021 are presented in the tables below. The amount of Gain/(loss) on forward freight agreements and bunker swaps, net and on interest rate swaps recognized in the consolidated statements of operations are analyzed as follows: Fair Value Measurements and Hedging - Derivative instruments effect on statement of operations (Table) Years ended December 31, 2019 2020 2021 Consolidated Statement of Operations Interest and finance costs Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 7) – (848) (2,351) Total Gain/(loss) recognized $ – $ (848) $ (2,351) Gain/(loss) on forward freight agreements and bunker swaps, net Realized gain/(loss) on forward freight agreements and freight options 6,043 (5,995) 1,308 Realized gain/(loss) on bunker swaps (1,386) 20,856 748 Unrealized gain/(loss) on forward freight agreements and freight options (321) (430) 1,802 Unrealized gain/(loss) on bunker swaps 75 1,725 (294) Total Gain/(loss) recognized $ 4,411 $ 16,156 $ 3,564 17. Fair Value Measurements and Hedging - (continued): The following table summarizes the valuation of the Company’s derivative financial instruments as of December 31, 2020 and 2021, based on Level 1 quoted market prices in active markets. Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table) Quoted Prices in Active Markets for Identical Assets (Level 1) December 31, 2020 December 31, 2021 Balance Sheet Location (not designated as cash flow hedges) (designated as cash flow hedges) (not designated as cash flow hedges) (designated as cash flow hedges) ASSETS Bunker swaps - current Derivatives, current asset portion $ - - $ 7 - Freight derivatives - current Derivatives, current asset portion $ - - $ 1,440 - Freight derivatives - non-current Derivatives, non-current asset portion $ - - $ 150 - Total $ - - $ 1,597 - LIABILITIES Bunker swaps - current Derivatives, current liability portion $   -    - $ 300 - Freight derivatives - current Derivatives, current liability portion $ 212 -   $ -   -    Total $ 212 - $ 300 - Certain of the Company’s derivative financial instruments discussed above require the Company to periodically post additional collateral depending on the level of any open position under such financial instruments, which as of December 31, 2020 and 2021 amounted to $ 895 10,128 The carrying values of temporary cash investments, restricted cash, accounts receivable and accounts payable approximate their fair value due to the short-term nature of these financial instruments. The fair value of long-term bank loans and bareboat leases (Level 2), bearing interest at variable interest rates, approximates their recorded values as of December 31, 2021, due to the variable interest rate nature thereof. The fair value of the DSF $55,000 Facility, measured through level 2 inputs (such as interest rate curves) is $ 49,008 , which is $ 354 higher than the loan’s book value of $ 48,654 . The following table summarizes the valuation of the Company’s financial instruments as of December 31, 2020 and 2021, based on Level 2 observable market based inputs or unobservable inputs that are corroborated by market data. Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table) Significant Other Observable Inputs (Level 2) December 31, 2020 December 31, 2021 Balance Sheet Location (not designated as cash flow hedges) (designated as cash flow hedges) (not designated as cash flow hedges) (designated as cash flow hedges) ASSETS Interest rate swaps - current Derivatives, current asset portion $ - – $ - 549 Interest rate swaps - non-current Derivatives, non-current asset portion $ - – $ - 6,763 Total $ - – $ - 7,312 LIABILITIES Interest rate swaps - current Derivatives, current liability portion $ - 1,727 $ - 443 Interest rate swaps - non-current Derivatives, non-current liability portion $ - 2,265 $ - – Total $ - 3,992 $ - 443 17. Fair Value Measurements and Hedging - (continued): Fair value on a nonrecurring basis The Company reviewed, in 2019, 2020 and 2021 the recoverability of the carrying amount of its vessels. During 2019, the Company recognized impairment loss of $ 3,411 The table following table summarizes the valuation of these assets measured at fair value on a non-recurring basis as of December 31, 2019: Fair Value Measurements and Hedging - Fair value measurements on a nonrecurring basis (Table) Long-lived assets held and used Quoted Prices in Active Markets for Identical Assets Significant Other Observable Inputs Significant Unobservable Inputs Impairment loss (Level 1) (Level 2) (Level 3) Vessels, net $ - $ 24,475 $ - $ 3,411 TOTAL $ - $ 24,475 $ - $   3,411 The Company’s impairment analysis as of December 31, 2020 and 2021, indicated that the carrying amount of the Company’s vessels, was recoverable, and therefore, the Company concluded that no impairment charge was necessary.

Subsequent Events

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	18. Subsequent Events (a) On February 16, 2022 , pursuant to the Company’s dividend policy, the Company’s Board of Directors declared a quarterly cash dividend of $ 2.00 per share payable on or about March 15, 2022 March 2, 2022 (b) The Company’s vessels Star Pavlina, Star Helena and Star Laura are currently berthed in three different ports of Ukraine, evacuated from crew who have safely exited Ukraine. All three vessels, under charterers’ instructions, had arrived to load various grain cargos, well ahead of the commencement of the war activities, but at the time of the invasion, the loading operations were suspended by the port authorities. The Company had been intensively exploring options with the charterers to navigate the vessels safely out of the ports but unfortunately the ports were shut down and safe passages were impossible. The Company has deployed security personnel to board the vessels for protection until such time that other crew may board again and have the vessels sail away to safer seas. An estimate of any potential impact cannot be made at this point of time, however the Company does not expect that, if any, to be material, given the fact that in addition to standard industry vessel risk insurance, war risk insurance is in place for all three vessels and war risk insurers have confirmed that they hold the vessels covered at their current position in Ukraine which includes Hull and Machinery and Increased Value insurance and War loss of Hire for 180 days. Furthermore, the Company believes that the vessels remain on hire and hire continues payable under the relevant charter party clauses.

Significant Accounting polici_2

Significant Accounting policies (Policies)	12 Months Ended
Significant Accounting policies (Policies)	Dec. 31, 2021
Accounting Policies [Abstract]
Principles of consolidation	a)             Principles of consolidation Star Bulk as the holding company determines whether it has controlling financial interest in an entity by first evaluating whether the entity is a voting interest entity or a variable interest entity. Under ASC 810 “Consolidation”, a voting interest entity is an entity in which the total equity investment at risk is sufficient to enable the entity to finance itself independently and provides the equity holders with the obligation to absorb losses, the right to receive residual returns and make financial and operating decisions. Star Bulk consolidates voting interest entities in which it owns all, or at least a majority (generally, greater than 50%), of the voting interest. Following the provisions of ASC 810 “Consolidation”, the Company evaluates all arrangements that may include a variable interest in an entity to determine if it may be the primary beneficiary, and would be required to include assets, liabilities and operations of a variable interest entity in its consolidated financial statements. The Company’s evaluation did not result in an identification of variable interest entities for the years 2019, 2020 and 2021.
Equity method investments	b)               Equity method investments
Use of estimates	c)               Use of estimates : 2. Significant Accounting policies - (continued):
Comprehensive income/(loss)	d)               Comprehensive income/(loss)
Concentration of credit risk	e)             Concentration of credit risk
Foreign currency transactions	f)                Foreign currency transactions
Cash and cash equivalents	g)              Cash and cash equivalents
Restricted cash	h)              Restricted cash
Trade accounts receivable, net	i)               Trade accounts receivable, net 373 629
Inventories	j)               Inventories 2. Significant Accounting policies - (continued):
Vessels, net	k)              Vessels, net straight-line 25 years 0.3
Advances for vessels under construction and acquisition of vessels	l)               Advances for vessels under construction and acquisition of vessels
Fair value of above/below market acquired time charters	m)              Fair value of above/below market acquired time charters
Impairment of long-lived assets	n)               Impairment of long-lived assets 2. Significant Accounting policies - (continued): In this respect, management regularly reviews the carrying amount of the vessels, including newbuilding contracts, if any, on a vessel-by-vessel basis, when events and circumstances indicate that the carrying amount of the vessels or newbuilding contracts might not be recoverable (such as vessel valuations of independent shipbrokers, vessel sales and purchases, business plans, obsolescence or damage to the asset and overall market conditions). When impairment indicators are present, the Company compares future undiscounted net operating cash flows to the carrying values of the Company’s vessels to determine if the asset is required to be impaired. In developing its estimates of future undiscounted net operating cash flows, the Company makes assumptions and estimates about vessels’ future performance, with the significant assumptions being related to charter rates, vessel operating expenses, vessels’ residual value, fleet utilization and the estimated remaining useful lives of the vessels. These assumptions are based on current market conditions, historical industry and Company’s specific trends, as well as future expectations. The future undiscounted net operating cash flows are determined by considering the charter revenues from existing time charters for the fixed vessel days and an estimated daily time charter equivalent rate for the unfixed days over the estimated remaining economic life of each vessel, net of brokerage and address commissions. Estimates of the daily time charter equivalent rate for the unfixed days are based on the current Forward Freight Agreement (“FFA”) rates of the respective calendar year for each of the first three years, average of the FFA rate of the third year and the historical average market rate of similar size vessels for the fourth year and historical average market rates of similar size vessels for the period thereafter. The expected cash inflows from charter revenues are based on an assumed fleet utilization rate for the unfixed days over available days, taking also into account expected technical off-hire days. In addition, in light of the Company’s investment in exhaust gas cleaning systems (“EGCS” or “Scrubbers”), an estimate of an additional daily revenue for each scrubber fitted vessel was also included, reflecting additional revenue from charterers due to the fuel cost savings that these vessels provide. In assessing expected future cash outflows, management forecasts vessel operating expenses, which are based on the Company’s internal budget for the first annual period and thereafter assuming an annual inflation rate and are capped in the thirteenth year thereafter, vessel expected maintenance costs (for dry docking and special surveys) and management fees. The estimated salvage value of each vessel is $0.3 per light weight ton, in accordance with the Company’s vessel depreciation policy. The Company uses a probability weighted approach for developing estimates of future cash flows used to test its vessels for recoverability when alternative courses of action are under consideration (i.e. sale or continuing operation of a vessel). If the Company’s estimate of future undiscounted net operating cash flows for any vessel is lower than the vessel’s carrying value, the carrying value is written down to the vessel’s fair market value with a charge recorded under “Impairment loss” in the consolidated statement of operations. 2. Significant Accounting policies - (continued):
Vessels held for sale	o)               Vessels held for sale :
Evaluation of purchase transactions	p)               Evaluation of purchase transactions
Financing costs	q)               Financing costs
Share based compensation	r)               Share based compensation 2. Significant Accounting policies - (continued): Awards of restricted shares, restricted share units or share options that are subject to performance conditions are also measured at their fair value, which is equal to the market value of the Company’s common shares on the grant date. If the award is subject only to performance conditions, compensation cost is recognized only if the performance conditions are satisfied. For awards that are subject to performance conditions and future service conditions, if it is probable that the performance condition for these awards will be satisfied, the compensation cost in respect of these awards is recognized over the requisite service period. If it is initially determined that it is not probable that the performance conditions will be satisfied and it is later determined that the performance conditions are likely to be satisfied (or vice versa), the effect of the change in estimate is retroactively accounted for in the period of change by recording a cumulative catch-up adjustment to retroactively apply the new estimate. If the award is forfeited because the performance condition is not satisfied, any previously recognized compensation cost is reversed.
Dry docking and special survey expenses	s)               Dry docking and special survey expenses
Accounting for revenue and related expenses	t)                Accounting for revenue and related expenses The Company determined that its time charter agreements are considered operating leases and therefore fall under the scope of ASC 842 Leases (“ASC 842”) because, (a) the vessel is an identifiable asset, (b) the Company does not have substitution rights and (c) the charterer has the right to control the use of the vessel during the term of the contract and derives economic benefits from such use. The duration of the contracts that the Company enters into depends on the market conditions, with the duration decreasing during weak market conditions. During 2020 and 2021 the majority of the Company’s time charter contracts did not exceed the period of 12 months, including optional extension periods. Time charter revenues are recognized on a straight-line basis over the term of the respective time charter agreement for which the performance obligations are satisfied beginning when the vessel is delivered to the charterer until it is redelivered back to the Company. Time charter agreements may include ballast bonus payments made by the charterer which serve as compensation for the ballast trip of the vessel to the delivery port, which are deferred and also recognized on a straight line basis over the charter period. Time charter agreements may also include variable consideration that is not dependent on an index or a rate, such as additional revenue earned from charterers of scrubber fitted vessels due to the fuel cost savings that these vessels provide, which is recognized as revenue in the period in which the respective bunker quantity is actually consumed. 2. Significant Accounting policies - (continued): During the time charter agreements the Company is responsible for operating and maintaining the vessel and such costs are included in Vessel operating expenses in the consolidated statements of operations. In the time charter hire rate received is included compensation for these costs, such as crewing expenses, repairs and maintenance and insurance. The Company, making use of the practical expedient for lessors, has elected not to separate the lease and non-lease components included in the time charter revenue but rather to recognize lease revenue as a combined single lease component for all time charter contracts as the related lease component and non-lease component have the same timing and pattern of transfer ( i.e. charter revenue is recognized when a charter agreement exists, the vessel is made available to the charterer and collection of the related revenue is reasonably assured. The Company has determined that its voyage charter agreements do not contain a lease because the charterer under such contracts does not have the right to control the use of the vessel since the Company, as the ship-owner, retains control over the operations of the vessel, provided also that the terms of the voyage charter are pre-determined, and any change requires the Company’s consent and are therefore considered service contracts that fall under the provisions of ASC 606 “Revenue from contracts with customers”. The Company accounts for a voyage charter when all the following criteria are met: (i) the parties to the contract have approved the contract in the form of a written charter agreement or fixture recap and are committed to perform their respective obligations, (ii) the Company can identify each party’s rights regarding the services to be transferred, (iii) the Company can identify the payment terms for the services to be transferred, (iv) the charter agreement has commercial substance (that is, the risk, timing, or amount of the future cash flows is expected to change as a result of the contract) and (v) it is probable that the Company will collect substantially all of the consideration to which it will be entitled in exchange for the services that will be transferred to the charterer. The majority of revenue from voyage charter agreements is usually collected in advance. The Company has determined that there is one single performance obligation for each of its voyage contracts, which is to provide the charterer with an integrated transportation service within a specified time period. In addition, the Company has concluded that a contract for a voyage charter meets the criteria to recognize revenue over time because the charterer simultaneously receives and consumes the benefits of the Company’s performance as the Company performs. Therefore, since the Company’s performance obligation under each voyage contract is met evenly as the voyage progresses, revenue is recognized on a straight line Demurrage income, which is considered a form of variable consideration, is included in voyage revenues, and represents payments by the charterer to the vessel owner when loading or discharging time exceeds the stipulated time in the voyage charter agreements. Demurrage income for the years ended December 31, 2019, 2020 and 2021 was not material. Under voyage charter agreements, all voyage costs are borne and paid by the Company. Voyage expenses consist primarily of brokerage commissions, bunker consumption, port and canal expenses and agency fees related to the voyage. All voyage costs are expensed as incurred with the exception of the contract fulfilment costs that incur from the latter of the end of the previous vessel employment and the contract date and until the commencement of loading the cargo on the relevant vessel, which are capitalized to the extent the Company, in its reasonable judgement, determines that they (i) are directly related to a contract, (ii) will be recoverable and (iii) enhance the Company’s resources by putting the Company’s vessel in a location to satisfy its performance obligation under a contract pursuant to the provisions of ASC 340-40 “Other assets and deferred costs”. These capitalized contract fulfilment costs are recorded under “Other current assets” and are amortized on a straight-line basis as the related performance obligations are satisfied. 2. Significant Accounting policies - (continued):
Fair value measurement	u)              Fair value measurement
Earnings / (loss) per share	v)                Earnings / (loss) per share
Segment reporting	w)              Segment reporting
Leases	x)               Leases : On January 1, 2019, the Company adopted ASC 842, according to which lessees are required to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with a term of more than 12 months. For lessees, leases are classified as either finance or operating, with classification affecting the pattern of expense recognition on the income statement. ASC 842 requires lessors to classify leases as a sales-type, direct financing, or operating leases. All leases that are not sales-type leases or direct financing leases (i.e that in effect neither transfer control of the underlying asset to the lessee nor transfer substantially all of the risks and benefits of the underlying asset to the lessee) are operating leases. Refer to Note 2(t) for the lease arrangements with the Company acting as Lessor. 2. Significant Accounting policies - (continued): The following are types of contracts with the Company acting as Lessee that fall under ASC 842: A) Time charter-in agreements that the Company from time to time enters into for third-party vessels to increase its operating capacity in order to satisfy its clients’ needs which has determined to be operating leases. The duration of these contracts may vary with vast majority not exceeding 12 months. The assets and liabilities recognized in respect of the time charter –in agreements with an initial term exceeding 12 months that correspond to the underlying rights and obligations are presented within “Operating leases, right-of-use assets” and “Operating lease liabilities”, respectively, in the consolidated balance sheets. The weighted average discount rate used for the recognition of these leases is the estimated annual incremental borrowing rate for this type of assets which is estimated at approximately 3% 0 47,704 initial term of 12 months or less straight line The time charter-in payments required to be made after December 31, 2021, for the outstanding operating lease liabilities recognized on the balance sheet as described above, are as follows: Significant Accounting policies - Operating Lease, Time Charter- in Payments (Table) Twelve month periods ending Amount December 31, 2022 $ 10,274 December 31, 2023 9,883 December 31, 2024 5,025 December 31, 2025 5,538 December 31, 2026 5,394 December 31, 2027 and thereafter 11,590 Total time charter-in payments $ 47,704 The weighted average remaining lease term of these charter-in arrangements as of December 31, 2021 is 5.85 B) Sale and lease back transactions which involve a purchase obligation (or a purchase option that is reasonably certain, at inception, that will be exercised) and are therefore treated as a failed sale or merely a financing arrangement, and therefore are not within the scope of sale and leaseback accounting. In such cases the Company does not derecognize the corresponding leased vessels and continues to present these at their net book values within “Vessels and other fixed assets, net” on its consolidated balance sheets, while the financing liability is presented in “Lease financing” in the Company’s consolidated balance sheets. Depreciation attributable to the vessels that are subject to financing under sale and lease back transactions is included within “Depreciation” in the consolidated statements of operations while the corresponding interest expense on the lease financing arrangement is included within “Interest and finance costs” in the consolidated statements of operations. All of the Company’s lease financing agreements as of December 31, 2020 and 2021 were of this type. C) Other long term bareboat charter-in agreements that the Company from time to time may enter into which meet the transfer of ownership criterion under ASC 842 (either involve a purchase obligation or a purchase option that is reasonably certain, at inception, that will be exercised) and are therefore classified as finance leases. In such cases the Company recognizes a right-of-use asset for each bareboat charter-in vessel reflected within “Vessels and other fixed assets, net” and a corresponding lease liability being reflected within “Lease financing”. The amortization of the right-of-use asset attributable to this type of lease arrangements is included within “Depreciation” in the consolidated statement of operations while the corresponding interest expense on the lease financing is included within “Interest and finance costs” in the consolidated statement of operations. None of the Company’s bareboat charter-in agreements were of this type as of December 31, 2020 and 2021. 2. Significant accounting policies – (continued): D) Office rental arrangements that the Company enters into, which it has determined to be operating leases. The office spaces that the Company leases are mostly located in Greece, Cyprus and Singapore. Payments under these arrangements are fixed with no variable payments. The assets and liabilities recognized in respect of these agreements that correspond to the underlying rights and obligations are presented within “Operating leases, right-of-use assets” and “Operating lease liabilities” in the consolidated balance sheets. The weighted average discount rate that is used for the recognition of these leases is the estimated annual incremental borrowing rate for this type of assets which is estimated at approximately 4% straight line 352 461 501 886 552 The office rental payments required to be made after December 31, 2021, for the outstanding operating lease liabilities recognized on the balance sheet as described above, are as follows: Significant Accounting policies - Operating Lease, Payments for office rental (Table) Twelve month periods ending Amount December 31, 2022 $ 306 December 31, 2023 204 December 31, 2024 42 December 31, 2025 – December 31, 2026 – December 31, 2027 and thereafter – Total office rent payments $ 552 The weighted average remaining lease term of these office rent arrangements as of December 31, 2021 is 2.01
Derivatives & Hedging	y)              Derivatives & Hedging i) Interest rate swaps and foreign currency exchange rates swaps: The Company enters into derivative and from time to time into non-derivative financial instruments to manage risks related to fluctuations of interest rates and foreign currency exchange rates. All derivatives are recorded on the Company’s balance sheet as assets or liabilities and are measured at fair value. The valuation of interest rate swaps is based on Level 2 observable inputs of the fair value hierarchy, such as interest rate curves. The changes in the fair value of derivatives not qualifying for hedge accounting are recognized in earnings. Cash inflows/outflows attributed to derivative instruments are reported within cash flows from operating activities in the consolidated statements of cash flows. For the purpose of hedge accounting, hedges are classified as: · fair value hedges, when hedging the exposure to changes in the fair value of a recognized asset or liability or an unrecognized firm commitment, which in each case is attributable to a particular risk, including foreign currency risk; · cash flow hedges, when hedging exposure to variability in cash flows that is either attributable to a particular risk associated with a recognized asset or liability or a highly probable forecast transaction that could affect earnings; or · hedges of a net investment in a foreign operation. This type of hedge is not used by the Company. In case the instruments are eligible for hedge accounting, at the inception of a hedge relationship, the Company formally designates and documents the hedge relationship to which the Company wishes to apply hedge accounting and the risk management objective and strategy undertaken for the hedge. The documentation includes identification of the hedging instrument, the hedged item or transaction, the nature of the risk being hedged and how the Company will assess the hedging instrument’s effectiveness in offsetting exposure to changes in the hedged item’s cash flows or fair value attributable to the hedged risk. Such hedges are expected to be highly effective in achieving offsetting changes in cash flows or fair value and are assessed at each reporting date to determine whether they actually have been highly effective throughout the financial reporting periods for which they were designated. 2. Significant Accounting policies - (continued): Fair value hedges A fair value hedge is a hedge of the exposure to changes in the fair value of a recognized asset or liability, or of an unrecognized firm commitment, which in each case is attributable to a particular risk. The change in the fair value of a hedging instrument is recognized in the consolidated statement of operations. The change in the fair value of the hedged item attributable to the risk hedged is recorded as part of the carrying value of the hedged item and is also recognized in the consolidated statement of operations. For fair value hedges, in which a non-derivative is used as hedging instrument for foreign currency risk of unrecognized firm commitments, the hedging instrument is re- measured based on the movement in functional currency cash flows attributable to the change in spot exchange rates between the functional currency and the currency in which the non-derivative hedging instrument is denominated. An asset or liability is recorded for the unrecognized firm commitment, which equals the foreign exchange gain or loss that is recorded in earnings as a result of the hedge relationship. The resulting asset or liability will eventually be treated as part of the consideration when the firm commitment is recognized. Cash Flow hedges A cash flow hedge is a hedge of the exposure to variability in cash flows that is attributable to a particular risk associated with a recognized asset or liability or a highly probable forecasted transaction that could affect earnings. For derivatives designated as cash flow hedges, the effective portion of the changes in their fair value is recorded in “Accumulated other comprehensive income / (loss)” and is subsequently recognized in earnings when the hedged items impact earnings, while the ineffective portion, if any, is recognized immediately in current period earnings under “Gain/(loss) on interest rate swaps, net.” Discontinuation of hedge relationships The Company discontinues prospectively fair value or cash flow hedge accounting if the hedging instrument expires or is sold, terminated or exercised and it no longer meets all the criteria for hedge accounting or if the Company de-designates the instrument as a cash flow or fair value hedge. As part of a cash flow hedge, at the time the hedging relationship is discontinued, any cumulative gain or loss on the hedging instrument recognized in equity remains in equity until the forecasted transaction occurs or until it becomes probable of not occurring. When the forecasted transaction occurs, any cumulative gain or loss on the hedging instrument is recognized in earnings. If a hedged transaction is no longer expected to occur, the net cumulative gain or loss recognized in equity is reclassified and recognized in earnings for the year. As part of a fair value hedge, if the hedged item is derecognized, the unamortized fair value is recognized immediately in earnings. 2. Significant accounting policies – (continued): ii) Forward Freight Agreements and Bunker Swaps: In addition, when deemed appropriate from a risk management perspective, the Company takes positions in derivative instruments including forward freight agreements, or FFAs. Generally, FFAs and other derivative instruments may be used to hedge a vessel owner’s exposure to the charter market for a specified route and period of time. Upon settlement, if the contracted charter rate is less than the average of the rates for the specified route and time period, as reported by an identified index, the seller of the FFA is required to pay the buyer the settlement sum, being an amount equal to the difference between the contracted rate and the settlement rate, multiplied by the number of days in the specified period covered by the FFA. Conversely, if the contracted rate is greater than the settlement rate, the buyer is required to pay the seller the settlement sum. The vast majority of the FFAs are settled on a daily basis through reputable exchanges such as LCH, SGX or Nasdaq. FFAs are intended to serve as an economic hedge for the Company’s vessels that are being chartered in the spot market, effectively locking-in an approximate amount of revenue that the Company expects to receive from such vessels for the relevant periods. The Company measures the fair value of all open positions at each reporting date on this basis (Level 1). The Company’s FFAs do not qualify for hedge accounting and therefore gains or losses are recognized in the consolidated statements of operations under “(Gain)/Loss on forward freight agreements and bunker swaps, net.” Also, when deemed appropriate from a risk management perspective, the Company enters into bunker swap contracts to manage its exposure to fluctuations of bunker prices associated with the consumption of bunkers by its vessels. Bunker swaps are agreements between two parties to exchange cash flows at a fixed price on bunkers, where volume, time period and price are agreed in advance. The Company’s bunker swaps are settled through reputable clearing houses, including LCH. The fair value of bunker swaps is the estimated amount that the Company would receive or pay to terminate the swaps at the reporting date (Level 1). The Company’s bunker swaps do not qualify for hedge accounting and bunker price differentials paid or received under the swap agreements are recognized in the consolidated statements of operations under “(Gain)/Loss on forward freight agreements and bunker swaps, net”.
Taxation	z)               Taxation
Offering costs	aa)             Offering costs
Share repurchases	ab)             Share repurchases : 2. Significant accounting policies – (continued): Recent accounting pronouncements – not yet adopted Reference Rate Reform (Topic 848):

Basis of Presentation and Gen_2

Basis of Presentation and General Information (Tables)	12 Months Ended
Basis of Presentation and General Information (Tables)	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and General information - List of subsidiaries (Table)	Basis of Presentation and General information - List of subsidiaries (Table) Date Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 1 Pearl Shiptrade LLC Gargantua (1) 209,529 April 2, 2015 2015 2 Star Ennea LLC Star Gina 2GR 209,475 February 26, 2016 2016 3 Coral Cape Shipping LLC Maharaj (1) 209,472 July 15, 2015 2015 4 Sea Diamond Shipping LLC Goliath (1) 207,999 July 15, 2015 2015 5 Star Castle II LLC Star Leo 207,939 May 14, 2018 2018 6 ABY Eleven Ltd Star Laetitia 207,896 August 3, 2018 2017 7 Domus Shipping LLC Star Ariadne 207,774 March 28, 2017 2017 8 Star Breezer LLC Star Virgo 207,774 March 1, 2017 2017 9 Star Seeker LLC Star Libra (1) 207,727 June 6, 2016 2016 10 ABY Nine Ltd Star Sienna 207,721 August 3, 2018 2017 11 Clearwater Shipping LLC Star Marisa 207,671 March 11 2016 2016 12 ABY Ten Ltd Star Karlie 207,566 August 3, 2018 2016 13 Star Castle I LLC Star Eleni 207,517 January 3, 2018 2018 14 Festive Shipping LLC Star Magnanimus 207,490 March 26, 2018 2018 15 New Era II Shipping LLC Debbie H 206,823 May 28, 2019 2019 16 New Era III Shipping LLC Star Ayesha 206,814 July 15, 2019 2019 17 New Era I Shipping LLC Katie K 206,803 April 16, 2019 2019 18 Cape Ocean Maritime LLC Leviathan 182,466 September 19, 2014 2014 19 Cape Horizon Shipping LLC Peloreus 182,451 July 22, 2014 2014 20 Star Nor I LLC Star Claudine 181,258 July 6, 2018 2011 21 Star Nor II LLC Star Ophelia 180,716 July 6, 2018 2010 22 Sandra Shipco LLC Star Pauline 180,233 December 29, 2014 2008 23 Christine Shipco LLC Star Martha 180,231 October 31, 2014 2010 24 Pacific Cape Shipping LLC Pantagruel 180,140 July 11, 2014 2004 25 Star Borealis LLC Star Borealis 179,601 September 9, 2011 2011 26 Star Polaris LLC Star Polaris 179,648 November 14, 2011 2011 27 Star Nor III LLC Star Lyra 179,147 July 6, 2018 2009 28 Star Regg VI LLC Star Bueno 178,978 January 26, 2021 2010 29 Star Regg V LLC Star Borneo 178,978 January 26, 2021 2010 30 Star Regg IV LLC Star Marilena 178,977 January 26, 2021 2010 31 Star Regg I LLC Star Marianne 178,841 January 14, 2019 2010 32 Star Regg II LLC Star Janni 177,939 January 7, 2019 2010 33 Star Trident V LLC Star Angie 177,931 October 29, 2014 2007 34 Sky Cape Shipping LLC Big Fish 177,620 July 11, 2014 2004 35 Global Cape Shipping LLC Kymopolia 176,948 July 11, 2014 2006 36 Star Trident XXV Ltd. Star Triumph 176,274 December 8, 2017 2004 37 ABY Fourteen Ltd Star Scarlett 175,800 August 3, 2018 2014 38 ABY Fifteen Ltd Star Audrey 175,125 August 3, 2018 2011 39 Sea Cape Shipping LLC Big Bang 174,109 July 11, 2014 2007 40 ABY I LLC Star Paola 115,259 August 3, 2018 2011 1. Basis of Presentation and General Information - (continued): Subsidiaries owning vessels in operation at December 31, 2021: Date Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 41 ABM One Ltd Star Eva 106,659 August 3, 2018 2012 42 Star Vega LLC Star Vega (1) 98,648 February 13, 2014 2011 43 Star Sirius LLC Star Sirius (1) 98,648 March 7, 2014 2011 44 Majestic Shipping LLC Madredeus 98,648 July 11, 2014 2011 45 Nautical Shipping LLC Amami 98,648 July 11, 2014 2011 46 ABY II LLC Star Aphrodite 92,006 August 3, 2018 2011 47 Augustea Bulk Carrier Ltd Star Piera 91,952 August 3, 2018 2010 48 Augustea Bulk Carrier Ltd Star Despoina 91,945 August 3, 2018 2010 49 Star Trident I LLC Star Kamila 87,001 September 3, 2014 2005 50 Star Nor IV LLC Star Electra 83,494 July 6, 2018 2011 51 Star Alta I LLC Star Angelina 82,953 December 5, 2014 2006 52 Star Alta II LLC Star Gwyneth 82,703 December 5, 2014 2006 53 Star Nor VI LLC Star Luna 82,687 July 6, 2018 2008 54 Star Nor V LLC Star Bianca 82,672 July 6, 2018 2008 55 Star Trident XIX LLC Star Maria 82,578 November 5, 2014 2007 56 Grain Shipping LLC Pendulum 82,578 July 11, 2014 2006 57 Star Trident XII LLC Star Markella 82,574 September 29, 2014 2007 58 ABY Seven Ltd Star Jeanette 82,567 August 3, 2018 2014 59 Star Trident IX LLC Star Danai 82,554 October 21, 2014 2006 60 Star Sun I LLC Star Elizabeth 82,430 May 25, 2021 2021 61 Star Sun II LLC Star Pavlina 82,361 June 16, 2021 2021 62 Star Trident XI LLC Star Georgia 82,281 October 14, 2014 2006 63 Star Trident VIII LLC Star Sophia 82,252 October 31, 2014 2007 64 Star Trident XVI LLC Star Mariella 82,249 September 19, 2014 2006 65 Star Trident XIV LLC Star Moira 82,220 November 19, 2014 2006 66 Star Trident X LLC Star Renee 82,204 December 18, 2014 2006 67 Star Trident XV LLC Star Jennifer 82,192 April 15, 2015 2006 68 Star Trident XIII LLC Star Laura 82,192 December 8, 2014 2006 69 Star Nor VIII LLC Star Mona 82,188 July 6, 2018 2012 70 Star Trident II LLC Star Nasia 82,183 August 29, 2014 2006 71 Star Nor VII LLC Star Astrid 82,158 July 6, 2018 2012 72 Star Trident XVII LLC Star Helena 82,150 December 29, 2014 2006 73 Star Trident XVIII LLC Star Nina 82,145 January 5, 2015 2006 74 Waterfront Two Ltd Star Alessia 81,944 August 3, 2018 2017 75 Star Nor IX LLC Star Calypso 81,918 July 6, 2018 2014 76 Star Elpis LLC Star Suzanna 81,644 May 15, 2017 2013 77 Star Gaia LLC Star Charis 81,643 March 22, 2017 2013 78 Mineral Shipping LLC Mercurial Virgo 81,502 July 11, 2014 2013 79 Star Nor X LLC Stardust 81,502 July 6, 2018 2011 80 Star Nor XI LLC Star Sky 81,466 July 6, 2018 2010 81 Star Zeus VI LLC Star Lambada (1) 81,272 March 16, 2021 2016 82 Star Zeus I LLC Star Capoeira (1) 81,253 March 16, 2021 2015 83 Star Zeus II LLC Star Carioca (1) 81,199 March 16, 2021 2015 84 Star Zeus VII LLC Star Macarena (1) 81,198 March 6, 2021 2016 85 ABY III LLC Star Lydia 81,187 August 3, 2018 2013 86 ABY IV LLC Star Nicole 81,120 August 3, 2018 2013 87 ABY Three Ltd Star Virginia 81,061 August 3, 2018 2015 88 Star Nor XII LLC Star Genesis 80,705 July 6, 2018 2010 89 Star Nor XIII LLC Star Flame 80,448 July 6, 2018 2011 1. Basis of Presentation and General Information - (continued): Subsidiaries owning vessels in operation at December 31, 2021: Wholly Owned Subsidiaries Vessel Name DWT Delivered to Star Bulk Year Built 90 Star Trident III LLC Star Iris 76,390 September 8, 2014 2004 91 Star Trident XX LLC Star Emily 76,339 September 16, 2014 2004 92 Orion Maritime LLC Idee Fixe (1) 63,437 March 25, 2015 2015 93 Primavera Shipping LLC Roberta (1) 63,404 March 31, 2015 2015 94 Success Maritime LLC Laura (1) 63,377 April 7, 2015 2015 95 Star Zeus III LLC Star Athena (1) 63,371 May 19, 2021 2015 96 Ultra Shipping LLC Kaley (1) 63,261 June 26, 2015 2015 97 Blooming Navigation LLC Kennadi (1) 63,240 January 8, 2016 2016 98 Jasmine Shipping LLC Mackenzie (1) 63,204 March 2, 2016 2016 99 Star Lida I Shipping LLC Star Apus (1) 63,123 July 16, 2019 2014 100 Star Zeus V LLC Star Bovarius (1) 61,571 March 16, 2021 2015 101 Star Zeus IV LLC Star Subaru (1) 61,521 March 16, 2021 2015 102 Star Nor XV LLC Star Wave 61,491 July 6, 2018 2017 103 Star Challenger I LLC Star Challenger (1) 61,462 December 12, 2013 2012 104 Star Challenger II LLC Star Fighter (1) 61,455 December 30, 2013 2013 105 Aurelia Shipping LLC Honey Badger (1) 61,324 February 27, 2015 2015 106 Star Axe II LLC Star Lutas (1) 61,323 January 6, 2016 2016 107 Rainbow Maritime LLC Wolverine (1) 61,268 February 27, 2015 2015 108 Star Axe I LLC Star Antares (1) 61,234 October 9, 2015 2015 109 ABY Five Ltd Star Monica 60,935 August 3, 2018 2015 110 Star Asia I LLC Star Aquarius 60,873 July 22, 2015 2015 111 Star Asia II LLC Star Pisces (1) 60,873 August 7, 2015 2015 112 Star Nor XIV LLC Star Glory 58,680 July 6, 2018 2012 113 Star Lida XI Shipping LLC Star Pyxis (1) 56,615 August 19, 2019 2013 114 Star Lida VIII Shipping LLC Star Hydrus (1) 56,604 August 8, 2019 2013 115 Star Lida IX Shipping LLC Star Cleo (1) 56,582 July 15, 2019 2013 116 Star Trident VII LLC Diva (1) 56,582 July 24, 2017 2011 117 Star Lida VI Shipping LLC Star Centaurus 56,559 September 18, 2019 2012 118 Star Lida VII Shipping LLC Star Hercules 56,545 July 16, 2019 2012 119 Star Lida X Shipping LLC Star Pegasus (1) 56,540 July 15, 2019 2013 120 Star Lida III Shipping LLC Star Cepheus (1) 56,539 July 16, 2019 2012 121 Star Lida IV Shipping LLC Star Columba (1) 56,530 July 23, 2019 2012 122 Star Lida V Shipping LLC Star Dorado (1) 56,507 July 16, 2019 2013 123 Star Lida II Shipping LLC Star Aquila 56,506 July 15, 2019 2012 124 Star Regg III LLC Star Bright 55,783 October 10, 2018 2010 125 Glory Supra Shipping LLC Strange Attractor 55,715 July 11, 2014 2006 126 Star Omicron LLC Star Omicron 53,444 April 17, 2008 2005 127 Star Zeta LLC Star Zeta 52,994 January 2, 2008 2003 128 Star Theta LLC Star Theta 52,425 December 6, 2007 2003 Total dwt 14,072,068 (1) Subject to sale and lease back financing transaction (Note 6)
List of Non-vessel owning subsidiaries	Non-vessel owning subsidiaries at December 31, 2021 List of Non-vessel owning subsidiaries Wholly Owned Subsidiaries 1 Star Bulk Management Inc. 19 Star Aurora LLC 2 Starbulk S.A. 20 Star Epsilon LLC 3 Star Bulk Manning LLC 21 Star ABY LLC 4 Star Bulk Shipmanagement Company (Cyprus) Limited 22 ABY Group Holding Ltd 5 Candia Shipping Limited (ex Optima Shipping Limited) 23 Star Regina LLC 6 Star Omas LLC 24 Star Bulk (Singapore) Pte. Ltd. 7 Star Synergy LLC 25 Star Bulk Germany GmbH 8 Oceanbulk Shipping LLC 26 Star Mare LLC 9 Oceanbulk Carriers LLC 27 Star Sege Ltd 10 International Holdings LLC 28 Star Regg VII LLC 11 Star Ventures LLC 29 Star Cosmo LLC 12 Star Logistics LLC (ex Dry Ventures LLC) 30 Star Delta LLC 13 Unity Holding LLC 31 Star Kappa LLC 14 Star Bulk (USA) LLC 32 Star Trident VI LLC 15 Star Bulk Norway AS 33 Star Uranus LLC 16 Star New Era LLC 34 Star Zeus LLC 17 Star Thor LLC 35 Star Bulk Finance (Cyprus) Limited 18 Star Gamma LLC
Basis of Presentation and General Information - Charter Revenue Percentage (Table)	Basis of Presentation and General Information - Charter Revenue Percentage (Table) Charterer 2019 2020 A N/A 11% B 13% N/A

Significant Accounting polici_3

Significant Accounting policies (Tables)	12 Months Ended
Significant Accounting policies (Tables)	Dec. 31, 2021
Accounting Policies [Abstract]
Significant Accounting policies - Operating Lease, Time Charter- in Payments (Table)	Significant Accounting policies - Operating Lease, Time Charter- in Payments (Table) Twelve month periods ending Amount December 31, 2022 $ 10,274 December 31, 2023 9,883 December 31, 2024 5,025 December 31, 2025 5,538 December 31, 2026 5,394 December 31, 2027 and thereafter 11,590 Total time charter-in payments $ 47,704
Significant Accounting policies - Operating Lease, Payments for office rental (Table)	Significant Accounting policies - Operating Lease, Payments for office rental (Table) Twelve month periods ending Amount December 31, 2022 $ 306 December 31, 2023 204 December 31, 2024 42 December 31, 2025 – December 31, 2026 – December 31, 2027 and thereafter – Total office rent payments $ 552

Transactions with Related Par_2

Transactions with Related Parties (Tables)	12 Months Ended
Transactions with Related Parties (Tables)	Dec. 31, 2021
Related Party Transactions [Abstract]
Transactions with Related Parties - Balance Sheets (Table)	Transactions with Related Parties - Balance Sheets (Table) Balance Sheet December 31, 2020 December 31, 2021 Due from related parties Oceanbulk Maritime and its affiliates (d) $ 426 $ 133 Interchart (a) 3 3 AOM (k) – 52 Starocean (j) 34 34 Coromel Maritime Limited (l) 1 – Product Shipping & Trading S.A. 17 20 Due from related parties $ 481 $ 242 Due to related parties Combine Marine Ltd. (c ) $ – $ 18 Management and Directors Fees (b) 252 159 Augustea Technoservices Ltd. and affiliates (f) 1,187 877 Iblea Ship Management Limited (h) – 372 Due to related parties $ 1,439 $ 1,426
Transactions with Related Parties - Statements of Operations (Table)	Transactions with Related Parties - Statements of Operations (Table) Statements of Operations Years ended December 31, 2019 2020 2021 Voyage revenues: Voyage revenues - Eagle Bulk (m) $ – $ – $ 1,461 Voyage expenses: Voyage expenses-Interchart (a) $ (3,850) (3,780) $ (3,870) Voyage expenses- Augustea Technoservices Ltd. and affiliates (f) - (95) - Voyage expenses - Hartree Marine Fuels LLC (q) - - (9,566) General and administrative expenses: Consultancy fees (b) $ (655) $ (598) $ (535) Directors compensation (b) (179) (179) (183) Office rent - Combine Marine Ltd. & Alma Properties (c) (39) (40) (41) General and administrative expenses - Oceanbulk Maritime and its affiliates (d) (324) (268) (252) Management fees: Management fees- Augustea Technoservices Ltd. and affiliates (f) $ (6,564) $ (6,588) $ (6,472) Management fees- Songa Shipmanagement Ltd. (g) (32) - - Management fees- Iblea Ship Management Limited (h) - - (79) Charter-in hire expenses: Charter - in hire expenses - AOM (k) $ (2,589) $ (5,442) $ (4,069) Charter - in hire expenses - Sydelle (i) (5,505) (540) - Charter - in hire expenses - Coromel (l) (5,723) (249) - Charter - in hire expenses - Eagle Bulk (m) (1,908) - -

Inventories (Tables)

Inventories (Tables)	12 Months Ended
Inventories (Tables)	Dec. 31, 2021
Inventory Disclosure [Abstract]
Inventories (Table)	Inventories (Table) December 31, 2020 December 31, 2021 Lubricants $ 11,877 $ 12,522 Bunkers 35,417 62,555 Total $ 47,294 $ 75,077

Vessels and other fixed asset_2

Vessels and other fixed assets, net (Tables)	12 Months Ended
Vessels and other fixed assets, net (Tables)	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Vessels and other fixed assets net - Schedules of vessels and other fixed assets, net (Table)	Vessels and other fixed assets net - Schedules of vessels and other fixed assets, net (Table) Cost Accumulated depreciation Net Book Value Balance, December 31, 2019 $ 3,475,996 $ (510,469) $ 2,965,527 - Acquisitions, improvements and other vessel costs 53,885 - 53,885 - Depreciation for the period - (142,293) (142,293) Balance, December 31, 2020 $ 3,529,881 $ (652,762) $ 2,877,119 - Acquisitions, improvements and other vessel costs 288,559 - 288,559 - Depreciation for the period - (152,640) (152,640) Balance, December 31, 2021 $ 3,818,440 $ (805,402) $ 3,013,038

Lease financing (Tables)

Lease financing (Tables)	12 Months Ended
Lease financing (Tables)	Dec. 31, 2021
Lease Financing
Lease financing - Capital lease obligations, Principal payments (Table)	Lease financing - Capital lease obligations, Principal payments (Table) Twelve month periods ending Amount December 31, 2022 $ 50,434 December 31, 2023 48,843 December 31, 2024 46,798 December 31, 2025 75,842 December 31, 2026 110,434 December 31, 2027 and thereafter 125,440 Total bareboat lease minimum payments $ 457,791 Unamortized lease issuance costs (5,318) Total bareboat lease minimum payments, net $ 452,473 Lease financing short term 50,434 Lease financing long term, net of unamortized lease issuance costs 402,039

Long-term bank loans (Tables)

Long-term bank loans (Tables)	12 Months Ended
Long-term bank loans (Tables)	Dec. 31, 2021
Debt Disclosure [Abstract]
Long-term bank loans - Principal repayments (Table)	Long-term bank loans - Principal repayments (Table) Twelve month periods ending Amount December 31, 2022 $ 156,701 December 31, 2023 229,392 December 31, 2024 203,988 December 31, 2025 197,233 December 31, 2026 246,580 December 31, 2027 and thereafter 66,214 Total Long term bank loans $ 1,100,108 Unamortized loan issuance costs (10,853) Total Long term bank loans, net $ 1,089,255 Current portion of long term bank loans 156,701 Long term bank loans, net of current portion and unamortized loan issuance costs 932,554
Long-term bank loans - Interest and finance costs (Table)	Long-term bank loans - Interest and finance costs (Table) Years ended December 31, 2019 2020 2021 Interest on financing agreements $ 81,393 $ 58,379 $ 45,453 Less: Interest capitalized (1,018) – – Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other Comprehensive Income (Note 17) – 848 2,351 Amortization of debt (loan, lease & notes) issuance costs 5,590 7,815 6,511 Other bank and finance charges 1,652 2,513 1,721 Interest and finance costs $ 87,617 $ 69,555 $ 56,036

Equity Incentive Plans (Tables)

Equity Incentive Plans (Tables)	12 Months Ended
Equity Incentive Plans (Tables)	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Equity Incentive Plans - Summary of non-vested restricted share options (Table)	Equity Incentive Plans - Summary of non-vested restricted share options (Table) Number of shares Weighted Average Grant Date Fair Value Unvested as at January 1, 2019 143,000 $ 12.49 Granted 885,000 8.13 Vested (756,962) 8.54 Unvested as at December 31, 2019 271,038 $ 9.28 Unvested as at January 1, 2020 271,038 $ 9.28 Granted 1,100,000 5.09 Vested (955,149) 5.41 Unvested as at December 31, 2020 415,889 $ 7.09 Unvested as at January 1, 2021 415,889 $ 7.09 Granted 515,000 18.88 Vested (595,560) 15.28 Unvested as at December 31, 2021 335,329 $ 10.65
Equity Incentive Plans - Summary of non-vested share options (Table)	Equity Incentive Plans - Summary of non-vested share options (Table) Options Number of options Weighted average exercise price Weighted Average Grant Date Fair Value Outstanding at beginning of period 104,250 $ 27.5 $ 7.0605 Granted - - - Vested - - - Outstanding at end of period 104,250 $ 27.5 $ 7.0605

Earnings _ (Loss) per share (Ta

Earnings / (Loss) per share (Tables)	12 Months Ended
Earnings / (Loss) per share (Tables)	Dec. 31, 2021
Earnings Per Share [Abstract]
Earnings / (Loss) per share (Table)	Earnings / (Loss) per share (Table) Years ended December 31, 2019 2020 2021 Income / (Loss) : Net income / (loss) $ (16,201) $ 9,660 $ 680,530 Basic earnings / (loss) per share: Weighted average common shares outstanding, basic 93,735,549 96,128,173 101,183,829 Basic earnings / (loss) per share $ (0.17) $ 0.10 $ 6.73 Effect of dilutive securities: Dillutive effect of non vested shares – 153,216 295,243 Weighted average common shares outstanding, diluted 93,735,549 96,281,389 101,479,072 Diluted earnings / (loss) per share $ (0.17) $ 0.10 $ 6.71

Accrued liabilities (Tables)

Accrued liabilities (Tables)	12 Months Ended
Accrued liabilities (Tables)	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued liabilities (Table)	Accrued liabilities (Table) December 31, 2020 December 31, 2021 Audit fees $ 341 $ 400 Legal fees 137 122 Other professional fees 2,300 1,739 Vessel Operating and voyage expenses 12,481 24,406 Loan and interest rate swaps interest and financing fees 5,547 4,083 Income tax 134 60 Total Accrued Liabilities $ 20,940 $ 30,810

Commitments and Contingencies (

Commitments and Contingencies (Tables)	12 Months Ended
Commitments and Contingencies (Tables)	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies - Charter party arrangements (Table)	Commitments and Contingencies - Charter party arrangements (Table) Twelve month periods ending December 31, + inflows/ - outflows Total 2022 2023 2024 2025 2026 2027 and thereafter Future, minimum, non-cancellable charter revenue (1) $ 109,959 $ 109,959 $ - $ - $ - $ - $ - Total $ 109,959 $ 109,959 $ - $ - $ - $ - $ - (1) The amounts represent the minimum contractual charter revenues to be generated from the existing, as of December 31, 2021, non-cancellable time charter agreements, until their expiration, net of address commission, assuming no off-hire days, other than those related to scheduled interim and special surveys of the vessels.
Commitments and Contingencies - Other commitments (Table)	Commitments and Contingencies - Other commitments (Table) Twelve month periods ending December 31, + inflows/ - outflows Total 2022 2023 2024 2025 2026 2027 and thereafter Vessel BWTS (1) (21,836) (19,182) (2,524) (130) - - - Total $ (21,836) $     (19,182) $ (2,524) $ (130) $ - $ - $ - (1) The amounts represent the Company’s commitments as of December 31, 2021, for installation of Ballast Water Treatment System (“BWTS”) on its vessels so as to comply with environmental regulations.

Voyage revenues (Tables)

Voyage revenues (Tables)	12 Months Ended
Voyage revenues (Tables)	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Voyage revenues (Table)	Voyage revenues (Table) Years ended December 31, 2019 2020 2021 Time charters $ 373,927 $ 309,503 $ 745,442 Voyage charters 437,779 385,482 683,146 Pool revenues 9,659 (1,744) (1,165) $ 821,365 $ 693,241 $ 1,427,423

Voyage and Vessel operating e_2

Voyage and Vessel operating expenses (Tables)	12 Months Ended
Voyage and Vessel operating expenses (Tables)	Dec. 31, 2021
Voyage And Vessel Operating Expenses
Voyage and Vessel operating expenses - Voyage expenses (Table)	Voyage and Vessel operating expenses - Voyage expenses (Table) Years ended December 31, 2019 2020 2021 Voyage expenses Port charges $ 63,576 $ 55,738 $ 63,027 Bunkers 146,089 130,800 139,252 Commissions – third parties 6,828 6,134 13,955 Commissions – related parties (Note 3) 3,850 3,780 3,870 Miscellaneous 2,619 3,606 6,007 Total voyage expenses $ 222,962 $ 200,058 $ 226,111
Voyage and Vessel operating expenses - Vessel operating expenses (Table)	Voyage and Vessel operating expenses - Vessel operating expenses (Table) Vessel operating expenses Crew wages and related costs $ 103,701 $ 109,311 $ 126,180 Insurances 10,311 13,002 14,981 Maintenance, repairs, spares and stores 25,675 37,947 44,646 Lubricants 9,833 10,669 11,823 Tonnage taxes (Note 13) 2,087 2,103 2,634 Pre-delivery and Pre-joining expenses 1,507 – 3,104 Miscellaneous 6,948 5,511 5,293 Total vessel operating expenses $ 160,062 $ 178,543 $ 208,661

Fair Value Measurements and H_2

Fair Value Measurements and Hedging (Tables)	12 Months Ended
Fair Value Measurements and Hedging (Tables)	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements and Hedging - Schedule of Derivative Instrument	Fair Value Measurements and Hedging - Schedule of Derivative Instrument Counterparty Trading Date Inception Expiry Fixed Rate Initial Notional Current Notional ING March 10, 2020 March 29, 2020 March 29, 2026 0.7000% $ 29,960 $ 26,215 ING March 10, 2020 April 2, 2020 October 2, 2025 0.7000% $ 39,375 $ 33,750 ING March 18, 2020 April 3, 2020 April 3, 2023 0.6750% $ 16,157 $ 14,293 SEB March 6, 2020 April 30, 2020 January 30, 2025 0.7270% $ 58,885 $ 51,072 Citi June 11, 2020 July 30, 2020 October 18, 2023 0.3300% $ 104,450 $ 86,200 Citi June 11, 2020 August 10, 2020 May 10, 2024 0.3510% $ 56,075 $ 49,587 Citi June 11, 2020 June 22, 2020 December 20, 2023 0.3380% $  94,538 $ 74,557 Citi June 11, 2020 June 29, 2020 August 28, 2023 0.3280% $ 56,915 $ 44,075 Citi June 11, 2020 July 21, 2020 July 21, 2023 0.3250% $ 99,816 $ 88,725 Citi June 11, 2020 August 28, 2020 May 28, 2024 0.3520% $ 31,350 $ 27,700 Citi June 11, 2020 September 1, 2020 March 1, 2024 0.3430% $ 33,390 $ 30,298 ING July 20 July 8, 2020 July 6, 2020 July 6, 2026 0.3700% $ 70,000 $ 55,417 SEB February 12, 2021 April 26, 2021 January 26, 2026 0.4525% $ 37,050 $ 33,150 ABN February 24, 2021 March 20, 2021 December 20, 2023 0.3120% $ 84,548 $ 74,557 NBG June 29, 2021 June 28, 2021 June 28, 2023 0.6500% $ 125,000 $ 117,500
Fair Value Measurements and Hedging - Derivative instruments effect on statement of operations (Table)	Fair Value Measurements and Hedging - Derivative instruments effect on statement of operations (Table) Years ended December 31, 2019 2020 2021 Consolidated Statement of Operations Interest and finance costs Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 7) – (848) (2,351) Total Gain/(loss) recognized $ – $ (848) $ (2,351) Gain/(loss) on forward freight agreements and bunker swaps, net Realized gain/(loss) on forward freight agreements and freight options 6,043 (5,995) 1,308 Realized gain/(loss) on bunker swaps (1,386) 20,856 748 Unrealized gain/(loss) on forward freight agreements and freight options (321) (430) 1,802 Unrealized gain/(loss) on bunker swaps 75 1,725 (294) Total Gain/(loss) recognized $ 4,411 $ 16,156 $ 3,564
Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table)	Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table) Quoted Prices in Active Markets for Identical Assets (Level 1) December 31, 2020 December 31, 2021 Balance Sheet Location (not designated as cash flow hedges) (designated as cash flow hedges) (not designated as cash flow hedges) (designated as cash flow hedges) ASSETS Bunker swaps - current Derivatives, current asset portion $ - - $ 7 - Freight derivatives - current Derivatives, current asset portion $ - - $ 1,440 - Freight derivatives - non-current Derivatives, non-current asset portion $ - - $ 150 - Total $ - - $ 1,597 - LIABILITIES Bunker swaps - current Derivatives, current liability portion $   -    - $ 300 - Freight derivatives - current Derivatives, current liability portion $ 212 -   $ -   -    Total $ 212 - $ 300 -
Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table)	Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table) Significant Other Observable Inputs (Level 2) December 31, 2020 December 31, 2021 Balance Sheet Location (not designated as cash flow hedges) (designated as cash flow hedges) (not designated as cash flow hedges) (designated as cash flow hedges) ASSETS Interest rate swaps - current Derivatives, current asset portion $ - – $ - 549 Interest rate swaps - non-current Derivatives, non-current asset portion $ - – $ - 6,763 Total $ - – $ - 7,312 LIABILITIES Interest rate swaps - current Derivatives, current liability portion $ - 1,727 $ - 443 Interest rate swaps - non-current Derivatives, non-current liability portion $ - 2,265 $ - – Total $ - 3,992 $ - 443
Fair Value Measurements and Hedging - Fair value measurements on a nonrecurring basis (Table)	Fair Value Measurements and Hedging - Fair value measurements on a nonrecurring basis (Table) Long-lived assets held and used Quoted Prices in Active Markets for Identical Assets Significant Other Observable Inputs Significant Unobservable Inputs Impairment loss (Level 1) (Level 2) (Level 3) Vessels, net $ - $ 24,475 $ - $ 3,411 TOTAL $ - $ 24,475 $ - $   3,411

Basis of Presentation and Gen_3

Basis of Presentation and General information - List of subsidiaries (Table) (Details)	12 Months Ended
	Dec. 31, 2021
Gargantua [Member]
Property, Plant and Equipment [Line Items]
DWT	209,529	[1]
Delivery Date	April 2, 2015	[1]
Year Built	2015	[1]
Star Gina 2GR [Member]
Property, Plant and Equipment [Line Items]
DWT	209,475
Delivery Date	February 26, 2016
Year Built	2016
Maharaj [Member]
Property, Plant and Equipment [Line Items]
DWT	209,472	[1]
Delivery Date	July 15, 2015	[1]
Year Built	2015	[1]
Goliath [Member]
Property, Plant and Equipment [Line Items]
DWT	207,999	[1]
Delivery Date	July 15, 2015	[1]
Year Built	2015	[1]
Star Leo [Member]
Property, Plant and Equipment [Line Items]
DWT	207,939
Delivery Date	May 14, 2018
Year Built	2018
Star Laetitia [Member]
Property, Plant and Equipment [Line Items]
DWT	207,896
Delivery Date	August 3, 2018
Year Built	2017
Star Ariadne [Member]
Property, Plant and Equipment [Line Items]
DWT	207,774
Delivery Date	March 28, 2017
Year Built	2017
Star Virgo [Member]
Property, Plant and Equipment [Line Items]
DWT	207,774
Delivery Date	March 1, 2017
Year Built	2017
Star Libra [Member]
Property, Plant and Equipment [Line Items]
DWT	207,727	[1]
Delivery Date	June 6, 2016	[1]
Year Built	2016	[1]
Star Sienna [Member]
Property, Plant and Equipment [Line Items]
DWT	207,721
Delivery Date	August 3, 2018
Year Built	2017
Star Marisa [Member]
Property, Plant and Equipment [Line Items]
DWT	207,671
Delivery Date	March 11 2016
Year Built	2016
Star Karlie [Member]
Property, Plant and Equipment [Line Items]
DWT	207,566
Delivery Date	August 3, 2018
Year Built	2016
Star Eleni [Member]
Property, Plant and Equipment [Line Items]
DWT	207,517
Delivery Date	January 3, 2018
Year Built	2018
Star Magnanimus [Member]
Property, Plant and Equipment [Line Items]
DWT	207,490
Delivery Date	March 26, 2018
Year Built	2018
Debbie H [Member]
Property, Plant and Equipment [Line Items]
DWT	206,823
Delivery Date	May 28, 2019
Year Built	2019
Star Ayesha [Member]
Property, Plant and Equipment [Line Items]
DWT	206,814
Delivery Date	July 15, 2019
Year Built	2019
Katie K [Member]
Property, Plant and Equipment [Line Items]
DWT	206,803
Delivery Date	April 16, 2019
Year Built	2019
Leviathan [Member]
Property, Plant and Equipment [Line Items]
DWT	182,466
Delivery Date	September 19, 2014
Year Built	2014
Peloreus [Member]
Property, Plant and Equipment [Line Items]
DWT	182,451
Delivery Date	July 22, 2014
Year Built	2014
Star Claudine [Member]
Property, Plant and Equipment [Line Items]
DWT	181,258
Delivery Date	July 6, 2018
Year Built	2011
Star Ophelia [Member]
Property, Plant and Equipment [Line Items]
DWT	180,716
Delivery Date	July 6, 2018
Year Built	2010
Star Pauline [Member]
Property, Plant and Equipment [Line Items]
DWT	180,233
Delivery Date	December 29, 2014
Year Built	2008
Star Martha [Member]
Property, Plant and Equipment [Line Items]
DWT	180,231
Delivery Date	October 31, 2014
Year Built	2010
Pantagruel [Member]
Property, Plant and Equipment [Line Items]
DWT	180,140
Delivery Date	July 11, 2014
Year Built	2004
Star Borealis [Member]
Property, Plant and Equipment [Line Items]
DWT	179,601
Delivery Date	September 9, 2011
Year Built	2011
Star Polaris [Member]
Property, Plant and Equipment [Line Items]
DWT	179,648
Delivery Date	November 14, 2011
Year Built	2011
Star Lyra [Member]
Property, Plant and Equipment [Line Items]
DWT	179,147
Delivery Date	July 6, 2018
Year Built	2009
Star Bueno [Member]
Property, Plant and Equipment [Line Items]
DWT	178,978
Delivery Date	January 26, 2021
Year Built	2010
Star Borneo [Member]
Property, Plant and Equipment [Line Items]
DWT	178,978
Delivery Date	January 26, 2021
Year Built	2010
Star Marilena [Member]
Property, Plant and Equipment [Line Items]
DWT	178,977
Delivery Date	January 26, 2021
Year Built	2010
Star Marianne [Member]
Property, Plant and Equipment [Line Items]
DWT	178,841
Delivery Date	January 14, 2019
Year Built	2010
Star Janni [Member]
Property, Plant and Equipment [Line Items]
DWT	177,939
Delivery Date	January 7, 2019
Year Built	2010
Star Angie [Member]
Property, Plant and Equipment [Line Items]
DWT	177,931
Delivery Date	October 29, 2014
Year Built	2007
Big Fish [Member]
Property, Plant and Equipment [Line Items]
DWT	177,620
Delivery Date	July 11, 2014
Year Built	2004
Kymopolia [Member]
Property, Plant and Equipment [Line Items]
DWT	176,948
Delivery Date	July 11, 2014
Year Built	2006
Star Triumph [Member]
Property, Plant and Equipment [Line Items]
DWT	176,274
Delivery Date	December 8, 2017
Year Built	2004
Star Scarlett [Member]
Property, Plant and Equipment [Line Items]
DWT	175,800
Delivery Date	August 3, 2018
Year Built	2014
Star Audrey [Member]
Property, Plant and Equipment [Line Items]
DWT	175,125
Delivery Date	August 3, 2018
Year Built	2011
Big Bang [Member]
Property, Plant and Equipment [Line Items]
DWT	174,109
Delivery Date	July 11, 2014
Year Built	2007
Star Paola [Member]
Property, Plant and Equipment [Line Items]
DWT	115,259
Delivery Date	August 3, 2018
Year Built	2011
Star Eva [Member]
Property, Plant and Equipment [Line Items]
DWT	106,659
Delivery Date	August 3, 2018
Year Built	2012
Star Vega [Member]
Property, Plant and Equipment [Line Items]
DWT	98,648	[1]
Delivery Date	February 13, 2014	[1]
Year Built	2011	[1]
Star Sirius [Member]
Property, Plant and Equipment [Line Items]
DWT	98,648	[1]
Delivery Date	March 7, 2014	[1]
Year Built	2011	[1]
Madredeus [Member]
Property, Plant and Equipment [Line Items]
DWT	98,648
Delivery Date	July 11, 2014
Year Built	2011
Amami [Member]
Property, Plant and Equipment [Line Items]
DWT	98,648
Delivery Date	July 11, 2014
Year Built	2011
Star Aphrodite [Member]
Property, Plant and Equipment [Line Items]
DWT	92,006
Delivery Date	August 3, 2018
Year Built	2011
Star Piera [Member]
Property, Plant and Equipment [Line Items]
DWT	91,952
Delivery Date	August 3, 2018
Year Built	2010
Star Despoina [Member]
Property, Plant and Equipment [Line Items]
DWT	91,945
Delivery Date	August 3, 2018
Year Built	2010
Star Kamila [Member]
Property, Plant and Equipment [Line Items]
DWT	87,001
Delivery Date	September 3, 2014
Year Built	2005
Star Electra [Member]
Property, Plant and Equipment [Line Items]
DWT	83,494
Delivery Date	July 6, 2018
Year Built	2011
Star Angelina [Member]
Property, Plant and Equipment [Line Items]
DWT	82,953
Delivery Date	December 5, 2014
Year Built	2006
Star Gwyneth [Member]
Property, Plant and Equipment [Line Items]
DWT	82,703
Delivery Date	December 5, 2014
Year Built	2006
Star Luna [Member]
Property, Plant and Equipment [Line Items]
DWT	82,687
Delivery Date	July 6, 2018
Year Built	2008
Star Bianca [Member]
Property, Plant and Equipment [Line Items]
DWT	82,672
Delivery Date	July 6, 2018
Year Built	2008
Star Maria [Member]
Property, Plant and Equipment [Line Items]
DWT	82,578
Delivery Date	November 5, 2014
Year Built	2007
Pendulum [Member]
Property, Plant and Equipment [Line Items]
DWT	82,578
Delivery Date	July 11, 2014
Year Built	2006
Star Markella [Member]
Property, Plant and Equipment [Line Items]
DWT	82,574
Delivery Date	September 29, 2014
Year Built	2007
Star Jeanette [Member]
Property, Plant and Equipment [Line Items]
DWT	82,567
Delivery Date	August 3, 2018
Year Built	2014
Star Danai [Member]
Property, Plant and Equipment [Line Items]
DWT	82,554
Delivery Date	October 21, 2014
Year Built	2006
Star Elizabeth [Member]
Property, Plant and Equipment [Line Items]
DWT	82,430
Delivery Date	May 25, 2021
Year Built	2021
Star Pavlina [Member]
Property, Plant and Equipment [Line Items]
DWT	82,361
Delivery Date	June 16, 2021
Year Built	2021
Star Georgia [Member]
Property, Plant and Equipment [Line Items]
DWT	82,281
Delivery Date	October 14, 2014
Year Built	2006
Star Sophia [Member]
Property, Plant and Equipment [Line Items]
DWT	82,252
Delivery Date	October 31, 2014
Year Built	2007
Star Mariella [Member]
Property, Plant and Equipment [Line Items]
DWT	82,249
Delivery Date	September 19, 2014
Year Built	2006
Star Moira [Member]
Property, Plant and Equipment [Line Items]
DWT	82,220
Delivery Date	November 19, 2014
Year Built	2006
Star Renee [Member]
Property, Plant and Equipment [Line Items]
DWT	82,204
Delivery Date	December 18, 2014
Year Built	2006
Star Jennifer [Member]
Property, Plant and Equipment [Line Items]
DWT	82,192
Delivery Date	April 15, 2015
Year Built	2006
Star Laura [Member]
Property, Plant and Equipment [Line Items]
DWT	82,192
Delivery Date	December 8, 2014
Year Built	2006
Star Mona [Member]
Property, Plant and Equipment [Line Items]
DWT	82,188
Delivery Date	July 6, 2018
Year Built	2012
Star Nasia [Member]
Property, Plant and Equipment [Line Items]
DWT	82,183
Delivery Date	August 29, 2014
Year Built	2006
Star Astrid [Member]
Property, Plant and Equipment [Line Items]
DWT	82,158
Delivery Date	July 6, 2018
Year Built	2012
Star Helena [Member]
Property, Plant and Equipment [Line Items]
DWT	82,150
Delivery Date	December 29, 2014
Year Built	2006
Star Nina [Member]
Property, Plant and Equipment [Line Items]
DWT	82,145
Delivery Date	January 5, 2015
Year Built	2006
Star Alessia [Member]
Property, Plant and Equipment [Line Items]
DWT	81,944
Delivery Date	August 3, 2018
Year Built	2017
Star Calypso [Member]
Property, Plant and Equipment [Line Items]
DWT	81,918
Delivery Date	July 6, 2018
Year Built	2014
Star Suzanna [Member]
Property, Plant and Equipment [Line Items]
DWT	81,644
Delivery Date	May 15, 2017
Year Built	2013
Star Charis [Member]
Property, Plant and Equipment [Line Items]
DWT	81,643
Delivery Date	March 22, 2017
Year Built	2013
Mercurial Virgo [Member]
Property, Plant and Equipment [Line Items]
DWT	81,502
Delivery Date	July 11, 2014
Year Built	2013
Stardust [Member]
Property, Plant and Equipment [Line Items]
DWT	81,502
Delivery Date	July 6, 2018
Year Built	2011
Star Sky [Member]
Property, Plant and Equipment [Line Items]
DWT	81,466
Delivery Date	July 6, 2018
Year Built	2010
Star Lambada [Member]
Property, Plant and Equipment [Line Items]
DWT	81,272	[1]
Delivery Date	March 16, 2021	[1]
Year Built	2016	[1]
Star Capoeira [Member]
Property, Plant and Equipment [Line Items]
DWT	81,253	[1]
Delivery Date	March 16, 2021	[1]
Year Built	2015	[1]
Star Carioca [Member]
Property, Plant and Equipment [Line Items]
DWT	81,199	[1]
Delivery Date	March 16, 2021	[1]
Year Built	2015	[1]
Star Macarena [Member]
Property, Plant and Equipment [Line Items]
DWT	81,198	[1]
Delivery Date	March 6, 2021	[1]
Year Built	2016	[1]
Star Lydia [Member]
Property, Plant and Equipment [Line Items]
DWT	81,187
Delivery Date	August 3, 2018
Year Built	2013
Star Nicole [Member]
Property, Plant and Equipment [Line Items]
DWT	81,120
Delivery Date	August 3, 2018
Year Built	2013
Star Virginia [Member]
Property, Plant and Equipment [Line Items]
DWT	81,061
Delivery Date	August 3, 2018
Year Built	2015
Star Genesis [Member]
Property, Plant and Equipment [Line Items]
DWT	80,705
Delivery Date	July 6, 2018
Year Built	2010
Star Flame [Member]
Property, Plant and Equipment [Line Items]
DWT	80,448
Delivery Date	July 6, 2018
Year Built	2011
Star Iris [Member]
Property, Plant and Equipment [Line Items]
DWT	76,390
Delivery Date	September 8, 2014
Year Built	2004
Star Emily [Member]
Property, Plant and Equipment [Line Items]
DWT	76,339
Delivery Date	September 16, 2014
Year Built	2004
Idee Fixe [Member]
Property, Plant and Equipment [Line Items]
DWT	63,437	[1]
Delivery Date	March 25, 2015	[1]
Year Built	2015	[1]
Roberta [Member]
Property, Plant and Equipment [Line Items]
DWT	63,404	[1]
Delivery Date	March 31, 2015	[1]
Year Built	2015	[1]
Laura [Member]
Property, Plant and Equipment [Line Items]
DWT	63,377	[1]
Delivery Date	April 7, 2015	[1]
Year Built	2015	[1]
Star Athena [Member]
Property, Plant and Equipment [Line Items]
DWT	63,371	[1]
Delivery Date	May 19, 2021	[1]
Year Built	2015	[1]
Kaley [Member]
Property, Plant and Equipment [Line Items]
DWT	63,261	[1]
Delivery Date	June 26, 2015	[1]
Year Built	2015	[1]
Kennadi [Member]
Property, Plant and Equipment [Line Items]
DWT	63,240	[1]
Delivery Date	January 8, 2016	[1]
Year Built	2016	[1]
Mackenzie [Member]
Property, Plant and Equipment [Line Items]
DWT	63,204	[1]
Delivery Date	March 2, 2016	[1]
Year Built	2016	[1]
Star Apus [Member]
Property, Plant and Equipment [Line Items]
DWT	63,123	[1]
Delivery Date	July 16, 2019	[1]
Year Built	2014	[1]
Star Bovarius [Member]
Property, Plant and Equipment [Line Items]
DWT	61,571	[1]
Delivery Date	March 16, 2021	[1]
Year Built	2015	[1]
Star Subaru [Member]
Property, Plant and Equipment [Line Items]
DWT	61,521	[1]
Delivery Date	March 16, 2021	[1]
Year Built	2015	[1]
Star Wave [Member]
Property, Plant and Equipment [Line Items]
DWT	61,491
Delivery Date	July 6, 2018
Year Built	2017
Star Challenger [Member]
Property, Plant and Equipment [Line Items]
DWT	61,462	[1]
Delivery Date	December 12, 2013	[1]
Year Built	2012	[1]
Star Fighter [Member]
Property, Plant and Equipment [Line Items]
DWT	61,455	[1]
Delivery Date	December 30, 2013	[1]
Year Built	2013	[1]
Honey Badger [Member]
Property, Plant and Equipment [Line Items]
DWT	61,324	[1]
Delivery Date	February 27, 2015	[1]
Year Built	2015	[1]
Star Lutas [Member]
Property, Plant and Equipment [Line Items]
DWT	61,323	[1]
Delivery Date	January 6, 2016	[1]
Year Built	2016	[1]
Wolverine [Member]
Property, Plant and Equipment [Line Items]
DWT	61,268	[1]
Delivery Date	February 27, 2015	[1]
Year Built	2015	[1]
Star Antares [Member]
Property, Plant and Equipment [Line Items]
DWT	61,234	[1]
Delivery Date	October 9, 2015	[1]
Year Built	2015	[1]
Star Monica [Member]
Property, Plant and Equipment [Line Items]
DWT	60,935
Delivery Date	August 3, 2018
Year Built	2015
Star Aquarius [Member]
Property, Plant and Equipment [Line Items]
DWT	60,873
Delivery Date	July 22, 2015
Year Built	2015
Star Pisces [Member]
Property, Plant and Equipment [Line Items]
DWT	60,873	[1]
Delivery Date	August 7, 2015	[1]
Year Built	2015	[1]
Star Glory [Member]
Property, Plant and Equipment [Line Items]
DWT	58,680
Delivery Date	July 6, 2018
Year Built	2012
Star Pyxis [Member]
Property, Plant and Equipment [Line Items]
DWT	56,615	[1]
Delivery Date	August 19, 2019	[1]
Year Built	2013	[1]
Star Hydrus [Member]
Property, Plant and Equipment [Line Items]
DWT	56,604	[1]
Delivery Date	August 8, 2019	[1]
Year Built	2013	[1]
Star Cleo [Member]
Property, Plant and Equipment [Line Items]
DWT	56,582	[1]
Delivery Date	July 15, 2019	[1]
Year Built	2013	[1]
Diva [Member]
Property, Plant and Equipment [Line Items]
DWT	56,582	[1]
Delivery Date	July 24, 2017	[1]
Year Built	2011	[1]
Star Centaurus [Member]
Property, Plant and Equipment [Line Items]
DWT	56,559
Delivery Date	September 18, 2019
Year Built	2012
Star Hercules [Member]
Property, Plant and Equipment [Line Items]
DWT	56,545
Delivery Date	July 16, 2019
Year Built	2012
Star Pegasus [Member]
Property, Plant and Equipment [Line Items]
DWT	56,540	[1]
Delivery Date	July 15, 2019	[1]
Year Built	2013	[1]
Star Cepheus [Member]
Property, Plant and Equipment [Line Items]
DWT	56,539	[1]
Delivery Date	July 16, 2019	[1]
Year Built	2012	[1]
Star Columba [Member]
Property, Plant and Equipment [Line Items]
DWT	56,530	[1]
Delivery Date	July 23, 2019	[1]
Year Built	2012	[1]
Star Dorado [Member]
Property, Plant and Equipment [Line Items]
DWT	56,507	[1]
Delivery Date	July 16, 2019	[1]
Year Built	2013	[1]
Star Aquila [Member]
Property, Plant and Equipment [Line Items]
DWT	56,506
Delivery Date	July 15, 2019
Year Built	2012
Star Bright [Member]
Property, Plant and Equipment [Line Items]
DWT	55,783
Delivery Date	October 10, 2018
Year Built	2010
Strange Attractor [Member]
Property, Plant and Equipment [Line Items]
DWT	55,715
Delivery Date	July 11, 2014
Year Built	2006
Star Omicron [Member]
Property, Plant and Equipment [Line Items]
DWT	53,444
Delivery Date	April 17, 2008
Year Built	2005
Star Zeta [Member]
Property, Plant and Equipment [Line Items]
DWT	52,994
Delivery Date	January 2, 2008
Year Built	2003
Star Theta [Member]
Property, Plant and Equipment [Line Items]
DWT	52,425
Delivery Date	December 6, 2007
Year Built	2003
Vessels in operation
Property, Plant and Equipment [Line Items]
DWT	14,072,068

[1]	Subject to sale and lease back financing transaction (Note 6)

Basis of Presentation and Gen_4

Basis of Presentation and General Information - Charter Revenue Percentage (Table) (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Charterer A [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	11.00%
Charterer B [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		13.00%

Basis of Presentation and Gen_5

Basis of Presentation and General Information (Details Narrative)	12 Months Ended
	Dec. 31, 2021
Date of Incorporation	Dec. 13, 2006
Number of vessels owned	128
Combined carrying capacity [Member]
Vessel capacity	14,100,000
Minimum [Member]
Vessel capacity	52,425
Maximum [Member]
Vessel capacity	209,529

Significant Accounting polici_4

Significant Accounting policies - Operating Lease, Time Charter- in Payments (Table) (Details) - Charter In Vessels [Member] $ in Thousands	Dec. 31, 2021USD ($)
December 31, 2022	$ 10,274
December 31, 2023	9,883
December 31, 2024	5,025
December 31, 2025	5,538
December 31, 2026	5,394
December 31, 2027 and thereafter	11,590
Total time charter-in payments	$ 47,704

Significant Accounting polici_5

Significant Accounting policies - Operating Lease, Payments for office rental (Table) (Details) - Office Rent Payments [Member] $ in Thousands	Dec. 31, 2021USD ($)
December 31, 2022	$ 306
December 31, 2023	204
December 31, 2024	42
December 31, 2025	0
December 31, 2026	0
December 31, 2027 and thereafter	0
Total office rent payments	$ 552

Significant Accounting polici_6

Significant Accounting policies (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provision for doubtful debt	$ 629,000	$ 373,000	$ 1,607,000
Depreciation method	straight-line
Useful life	25 years
Salvage value per light weight ton	$ 300	300
Revenue recognition method	straight line
Operating Lease, Right-of-Use Asset	$ 48,256,000	886,000
Operating Lease, Liability, Noncurrent	$ 48,256,000	886,000
Office Building [Member]
Operating Lease, Weighted Average Discount Rate, Percent	4.00%
Operating Lease, Right-of-Use Asset	$ 552,000	886,000
Operating Lease, Liability, Noncurrent	$ 552,000	886,000
Operating lease expense recognition method	straight line
Operating Lease, Weighted Average Remaining Lease Term	2 years 3 days
Operating lease expense	$ 501,000	461,000	$ 352,000
Charter In Vessels [Member]
Operating Lease, Weighted Average Discount Rate, Percent	3.00%
Operating Lease, Right-of-Use Asset	$ 47,704,000	0
Operating Lease, Liability, Noncurrent	$ 47,704,000	$ 0
Lessee, Operating Lease, Description	initial term of 12 months or less
Operating lease expense recognition method	straight line
Operating Lease, Weighted Average Remaining Lease Term	5 years 10 months 6 days

Transactions with Related Par_3

Transactions with Related Parties - Balance Sheets (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Due from related parties
Due from related parties	$ 242	$ 481
Due to related parties
Due to related parties	1,426	1,439
Oceanbulk Maritime and its affiliates [Member]
Due from related parties
Due from related parties	133	426
Interchart [Member]
Due from related parties
Due from related parties	3	3
AOM [Member]
Due from related parties
Due from related parties	52	0
Starocean [Member]
Due from related parties
Due from related parties	34	34
Coromel Maritime Limited [Member]
Due from related parties
Due from related parties	0	1
Product Shipping and Trading S.A. [Member]
Due from related parties
Due from related parties	20	17
Combine Marine Ltdt [Member]
Due to related parties
Due to related parties	18	0
Management [Member]
Due to related parties
Due to related parties	159	252
Augustea Technoservices Ltd. and affiliates [Member]
Due to related parties
Due to related parties	877	1,187
Iblea Ship Management Limited [Member]
Due to related parties
Due to related parties	$ 372	$ 0

Transactions with Related Par_4

Transactions with Related Parties - Statements of Operations (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Voyage expenses	$ (226,111)	$ (200,058)	$ (222,962)
General and administrative expenses	(39,500)	(31,881)	(34,819)
Management fees	(19,489)	(18,405)	(17,500)
Charter - in hire expenses	(14,565)	(32,055)	(126,813)
Eagle Bulk [Member]
Related Party Transaction [Line Items]
Voyage revenues	1,461	0	0
Charter - in hire expenses	0	0	(1,908)
Interchart [Member]
Related Party Transaction [Line Items]
Voyage expenses	(3,870)	(3,780)	(3,850)
Augustea Technoservices Ltd. [Member]
Related Party Transaction [Line Items]
Voyage expenses	0	(95)	0
Management fees	(6,472)	(6,588)	(6,564)
Hartree Marine Fuels LLC [Member]
Related Party Transaction [Line Items]
Voyage expenses	(9,566)	0	0
Executive Officer [Member]
Related Party Transaction [Line Items]
Consultancy fees	(535)	(598)	(655)
Directors [Member]
Related Party Transaction [Line Items]
Directors compensation	(183)	(179)	(179)
Combine Marine Ltd. and Alma Properties [Member]
Related Party Transaction [Line Items]
Office rent	(41)	(40)	(39)
Oceanbulk Maritime and its affiliates [Member]
Related Party Transaction [Line Items]
General and administrative expenses	(252)	(268)	(324)
Songa Shipmanagement Ltd. [Member]
Related Party Transaction [Line Items]
Management fees	0	0	(32)
Iblea Ship Management Limited [Member]
Related Party Transaction [Line Items]
Management fees	(79)	0	0
AOM [Member]
Related Party Transaction [Line Items]
Charter - in hire expenses	(4,069)	(5,442)	(2,589)
Sydelle [Member]
Related Party Transaction [Line Items]
Charter - in hire expenses	0	(540)	(5,505)
Coromel Maritime Limited [Member]
Related Party Transaction [Line Items]
Charter - in hire expenses	$ 0	$ (249)	$ (5,723)

Transactions with Related Par_5

Transactions with Related Parties (Details Narrative)	6 Months Ended	12 Months Ended
Transactions with Related Parties (Details Narrative)	Jul. 03, 2020USD ($)	Dec. 31, 2021USD ($)	Dec. 31, 2021EUR (€)	Dec. 31, 2020USD ($)	Dec. 30, 2020USD ($)	Dec. 31, 2019USD ($)	Dec. 21, 2016USD ($)	Dec. 31, 2012EUR (€)	Aug. 03, 2018	Jul. 06, 2018	Dec. 31, 2014
Augustea Technoservices Ltd. and affiliates [Member]
Related Party Transaction [Line Items]
Vessels acquired									16
Songa Vessels [Member]
Related Party Transaction [Line Items]
Vessels acquired										15
Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		3	3
Voting percentage		33.00%	33.00%
Euro Member Countries, Euro
Related Party Transaction [Line Items]
Foreign Currency Exchange Rate, Translation		1.14
Interchart [Member] \| Services Agreement [Member]
Related Party Transaction [Line Items]
Monthly lump sum fee		$ 345,000		$ 315,000		$ 325,000
Expiration date of agreement		Dec. 31, 2021	Dec. 31, 2021
Management [Member]
Related Party Transaction [Line Items]
Consultancy fees		$ 537,000
Management [Member] \| Non - Employee Directors [Member]
Related Party Transaction [Line Items]
Consultancy fees		15,000
Management [Member] \| Chairman of Audit Committee [Member]
Related Party Transaction [Line Items]
Consultancy fees		15,000
Management [Member] \| Audit Committee Member [Member]
Related Party Transaction [Line Items]
Consultancy fees		7,500
Management [Member] \| Attendance Of Meetings [Member]
Related Party Transaction [Line Items]
Consultancy fees		5,000
Combine Marine Ltd [Member]
Related Party Transaction [Line Items]
Rent expense per month		$ 2,900
Lease expiration date		January 2024	January 2024
Combine Marine Ltd [Member] \| Euro Member Countries, Euro
Related Party Transaction [Line Items]
Rent expense per month \| €								€ 2,500
Alma Properties [Member]
Related Party Transaction [Line Items]
Rent expense per month							$ 300
Lessee, Operating Lease, Term of Contract							6 years
Alma Properties [Member] \| Euro Member Countries, Euro
Related Party Transaction [Line Items]
Rent expense per month \| €			€ 300
Oaktree Shareholder Agreement [Member] \| Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		9	9
Oaktree Shareholder Agreement [Member] \| Beneficial ownership of 40% ore more [Member] \| Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		4	4
Oaktree Shareholder Agreement [Member] \| Beneficial Ownershio of 25% or more but less than 40% [Member] \| Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		3	3
Oaktree Shareholder Agreement [Member] \| Beneficial Ownership of 15% or more but less than 25% [Member] \| Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		2	2
Oaktree Shareholder Agreement [Member] \| Beneficial ownership of 5% or more but less than 15% [Member] \| Oaktree Capital Management L.P. [Member]
Related Party Transaction [Line Items]
Number of directors		1	1
Starocean [Member]
Related Party Transaction [Line Items]
Ownership percentage		25.00%
Equity method investment		$ 152,000		$ 128,000
Starocean [Member] \| Held By Local Entrepreneurs [Member]
Related Party Transaction [Line Items]
Ownership percentage		75.00%
Eagle Bulk [Member]
Related Party Transaction [Line Items]
Charter-out hire daily rate		$ 39,300
Eagle Bulk [Member] \| First Vessel [Member]
Related Party Transaction [Line Items]
Charter-in hire daily rate						$ 16,300
Operating Lease, Weighted Average Remaining Lease Term						2 months
Eagle Bulk [Member] \| Second Vessel [Member]
Related Party Transaction [Line Items]
Charter-in hire daily rate						$ 15,800
Operating Lease, Weighted Average Remaining Lease Term						2 months
Piraeus Bank S. A. [Member]
Related Party Transaction [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,350,000
Maturity date	September 2021
CCL Pool [Member]
Related Party Transaction [Line Items]
Ownership percentage					25.00%
Debt Conversion, Converted Instrument, Amount		$ 125,000			$ 125,000
Interchart [Member]
Related Party Transaction [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired											33.00%

Inventories (Table) (Details)

Inventories (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Lubricants	$ 12,522	$ 11,877
Bunkers	62,555	35,417
Total	$ 75,077	$ 47,294

Vessels and other fixed assets

Vessels and other fixed assets net - Schedules of vessels and other fixed assets, net (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Balance, period start	$ 2,877,119
- Depreciation for the period	(152,640)	$ (142,293)	$ (124,280)
Balance, period end	3,013,038	2,877,119
Cost [Member]
Property, Plant and Equipment [Line Items]
Balance, period start	3,529,881	3,475,996
- Acquisitions, improvements and other vessel costs	288,559	53,885
Balance, period end	3,818,440	3,529,881	3,475,996
Accumulated depreciation [Member]
Property, Plant and Equipment [Line Items]
Balance, period start	(652,762)	(510,469)
- Depreciation for the period	(152,640)	(142,293)
Balance, period end	(805,402)	(652,762)	(510,469)
Net Book Value [Member]
Property, Plant and Equipment [Line Items]
Balance, period start	2,877,119	2,965,527
- Acquisitions, improvements and other vessel costs	288,559	53,885
- Depreciation for the period	(152,640)	(142,293)
Balance, period end	$ 3,013,038	$ 2,877,119	$ 2,965,527

Vessels and other fixed asset_3

Vessels and other fixed assets, net (Details Narrative) $ / shares in Units, $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	12 Months Ended
	Jan. 26, 2021USD ($)shares	Mar. 03, 2021USD ($)	Mar. 16, 2021shares	May 19, 2021shares	Dec. 31, 2021USD ($)shares	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Feb. 02, 2021$ / sharesshares
Property, Plant and Equipment [Line Items]
Number of vessels owned					128
Property, Plant and Equipment, Net					$ 3,013,038	$ 2,877,119
Payments to Acquire Property, Plant, and Equipment					130,147	72,059	$ 347,140
Asset Impairment Charges					$ 0	$ 0	3,411
Eneti Warrant [Member]
Property, Plant and Equipment [Line Items]
Common Stock, Shares Authorized \| shares								3,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights \| shares								3,000,000
Exercise price \| $ / shares								$ 0.01
Star Bovarius Star Subaru Star Capoeira Star Carioca Star Lambada And Star Macarena [Member]
Property, Plant and Equipment [Line Items]
Delivery Date					March 16, 2021
Number of shares issued as part of the consideration \| shares			2,649,203
Star Athena [Member]
Property, Plant and Equipment [Line Items]
Delivery Date					May 19, 2021
Number of shares issued as part of the consideration \| shares				350,797
Lease Agreements [Member]
Property, Plant and Equipment [Line Items]
Number of vessels owned					35
Property, Plant and Equipment, Net					$ 818,845
Star Marilena, Star Bueno and Star Borneo [Member]
Property, Plant and Equipment [Line Items]
Number of operating vessels acquired	3
Delivery Date	January 26, 2021
Payments to Acquire Property, Plant, and Equipment	$ 39,000
Number of shares issued as part of the consideration \| shares	2,100,000				2,100,000
Eneti Acquisition Vessels [Member]
Property, Plant and Equipment [Line Items]
Number of operating vessels acquired								7
Kamsarmax Vessels [Member]
Property, Plant and Equipment [Line Items]
Number of vessels acquired		2
Vessel capacity		82,000
Purchase price		$ 55,000
Star Elizabeth I [Member]
Property, Plant and Equipment [Line Items]
Delivery Date					May 25, 2021
Star Pavlina I [Member]
Property, Plant and Equipment [Line Items]
Delivery Date					June 16, 2021
Star Gamma And Star Anna [Member]
Property, Plant and Equipment [Line Items]
Asset Impairment Charges							$ 3,411
First-priority mortgage [Member]
Property, Plant and Equipment [Line Items]
Number of vessels owned					88
Debt Instrument, Collateral Amount					$ 2,135,408
Second-priority mortgage [Member]
Property, Plant and Equipment [Line Items]
Debt Instrument, Collateral Amount					$ 616,578

Lease financing - Capital lease

Lease financing - Capital lease obligations, Principal payments (Table) (Details) - Financing Lease [Member] $ in Thousands	Dec. 31, 2021USD ($)
Debt Instrument [Line Items]
December 31, 2022	$ 50,434
December 31, 2023	48,843
December 31, 2024	46,798
December 31, 2025	75,842
December 31, 2026	110,434
December 31, 2027 and thereafter	125,440
Total bareboat lease minimum payments	457,791
Unamortized lease issuance costs	(5,318)
Total bareboat lease minimum payments, net	452,473
Lease financing short term	50,434
Lease financing long term, net of unamortized lease issuance costs	$ 402,039

Lease financing (Details Narrat

Lease financing (Details Narrative) $ in Thousands

1 Months Ended

3 Months Ended

4 Months Ended

5 Months Ended

6 Months Ended

7 Months Ended

8 Months Ended

9 Months Ended

11 Months Ended

12 Months Ended

Sep. 29, 2020USD ($)

Mar. 29, 2019USD ($)

Apr. 30, 2019USD ($)

May 22, 2019USD ($)

Jul. 10, 2019USD ($)

Jul. 31, 2019USD ($)

Sep. 03, 2020USD ($)

Aug. 31, 2020USD ($)

Sep. 30, 2020USD ($)

Sep. 29, 2020USD ($)

Sep. 25, 2020USD ($)

Sep. 21, 2020USD ($)

Sep. 18, 2020USD ($)

Nov. 17, 2020USD ($)

Dec. 31, 2021USD ($)

Dec. 31, 2020USD ($)

Dec. 31, 2019USD ($)

Dec. 31, 2018USD ($)

Debt Instrument [Line Items]

Repayment of debt

$ 593,183

$ 708,910

$ 623,892

DNB $310,000 Facility [Member]

Debt Instrument [Line Items]

Extinguishment of Debt, Amount

$ 24,630

$ 64,478

Repayment of debt

98,505

41,982

Sinosure Credit Facility [Member]

Debt Instrument [Line Items]

Extinguishment of Debt, Amount

$ 47,782

$ 9,258

NIBC [Member]

Debt Instrument [Line Items]

Extinguishment of Debt, Amount

$ 11,671

Eneti Acquisition Vessels [Member]

Debt Instrument [Line Items]

Finance Lease, Liability

96,101

Finance lease payments per vessel

500

Laura, Idee Fixe, Roberta, Kaley, Star Sirius and Star Vega [Member] | CMBL [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 82,764

Diva [Member] | CMBL [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 7,236

Four Vessels [Member] | New Yangzijiang [Member]

Debt Instrument [Line Items]

Repayment of lease liabilities

$ 51,060

Laura, Idee Fixe, Roberta, Kaley, Diva, Star Sirius and Star Vega [Member] | CMBL [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Lease Terms

five
years

Star Lutas [Member] | SK Shipholding S.A. [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 16,000

Sale Leaseback Transaction, Lease Terms

seven-year
bareboat charter

Vessel purchase price obligation

$ 7,441

Mackenzie, Kennadi, Honey Badger, Wolverine and Star Antares [Member] | SPDB Financial Leasing Co. Ltd [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 76,500

Sale Leaseback Transaction, Lease Terms

eight
years

Mackenzie, Kennadi, Honey Badger, Wolverine and Star Antares [Member] | SPDB Financial Leasing Co. Ltd [Member] | Minimum [Member]

Debt Instrument [Line Items]

Vessel purchase price obligation

$ 7,776

Mackenzie, Kennadi, Honey Badger, Wolverine and Star Antares [Member] | SPDB Financial Leasing Co. Ltd [Member] | Maximum [Member]

Debt Instrument [Line Items]

Vessel purchase price obligation

$ 7,916

Gargantua Goliath And Maharaj [Member] | ICBC Financial Leasing Co. Ltd [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 93,150

Sale Leaseback Transaction, Lease Terms

10 years

Vessel purchase price obligation

$ 14,000

Star Pisces [Member] | SK Shipholding S.A. [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 19,125

Sale Leaseback Transaction, Lease Terms

seven-year
bareboat charter

Vessel purchase price obligation

$ 7,628

Star Libra [Member] | Ocean Trust Co. Ltd. [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 33,950

Sale Leaseback Transaction, Lease Terms

seven-year
bareboat charter

Vessel purchase price obligation

$ 18,107

Star Challenger [Member] | Kyowa Sansho Co. Ltd. [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 15,000

Sale Leaseback Transaction, Lease Terms

eleven-year
bareboat charter party contract

Star Challenger [Member] | Kyowa Sansho Co. Ltd [Member]

Debt Instrument [Line Items]

Repayment of debt

$ 10,874

Delphin Vessels [Member] | CMBL [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 91,431

Sale Leaseback Transaction, Lease Terms

seven-year bareboat
charter

Debt instrument, prepayment amount

$ 19,222

Delphin Vessels [Member] | CMBL [Member] | Minimum [Member]

Debt Instrument [Line Items]

Vessel purchase price obligation

$ 975

Delphin Vessels [Member] | CMBL [Member] | Maximum [Member]

Debt Instrument [Line Items]

Vessel purchase price obligation

$ 3,379

Delphin Scrubbers [Member] | CMBL [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 15,000

Number of repayment installments

Frequency of periodic payment

quarterly

Star Fighter [Member] | Kyowa Sansho Co. Ltd. [Member]

Debt Instrument [Line Items]

Sale Leaseback Transaction, Gross Proceeds, Financing Activities

$ 16,125

Sale Leaseback Transaction, Lease Terms

ten
years

Vessel purchase price obligation

$ 2,450

Repayment of debt

$ 11,958

Long-term bank loans - Principa

Long-term bank loans - Principal repayments (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Current portion of long term bank loans	$ 156,701	$ 144,900
Long term bank loans, net of current portion and unamortized loan issuance costs	932,554	$ 938,699
Long-term Debt [Member]
Debt Instrument [Line Items]
December 31, 2022	156,701
December 31, 2023	229,392
December 31, 2024	203,988
December 31, 2025	197,233
December 31, 2026	246,580
December 31, 2027 and thereafter	66,214
Total Long term bank loans	1,100,108
Unamortized loan issuance costs	(10,853)
Total Long term bank loans, net	1,089,255
Current portion of long term bank loans	156,701
Long term bank loans, net of current portion and unamortized loan issuance costs	$ 932,554

Long-term bank loans - Interest

Long-term bank loans - Interest and finance costs (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Interest on financing agreements	$ 45,453	$ 58,379	$ 81,393
Less: Interest capitalized	0	0	(1,018)
Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other Comprehensive Income (Note 17)	2,351	848	0
Amortization of debt (loan, lease & notes) issuance costs	6,511	7,815	5,590
Other bank and finance charges	1,721	2,513	1,652
Interest and finance costs	$ 56,036	$ 69,555	$ 87,617

Long-term bank loans (Details N

Long-term bank loans (Details Narrative) $ in Thousands

1 Months Ended

2 Months Ended

3 Months Ended

4 Months Ended

5 Months Ended

6 Months Ended

7 Months Ended

8 Months Ended

9 Months Ended

10 Months Ended

11 Months Ended

12 Months Ended

Jan. 25, 2021USD ($)

Jan. 31, 2020USD ($)

Jan. 31, 2019USD ($)

Jan. 30, 2019USD ($)

Mar. 01, 2019USD ($)

Mar. 31, 2020USD ($)

Mar. 30, 2020USD ($)

Mar. 31, 2019USD ($)

Apr. 30, 2019USD ($)

May 31, 2019USD ($)

Jun. 28, 2021USD ($)

Jul. 06, 2020USD ($)

Jul. 31, 2019USD ($)

Aug. 23, 2021USD ($)

Aug. 31, 2019USD ($)

Sep. 29, 2021USD ($)

Sep. 30, 2019USD ($)

Sep. 28, 2018USD ($)

Sep. 26, 2018USD ($)

Nov. 02, 2021USD ($)

Oct. 29, 2021USD ($)

Oct. 31, 2018USD ($)

Nov. 30, 2019USD ($)

Dec. 31, 2021USD ($)

Dec. 31, 2020USD ($)

Dec. 31, 2019USD ($)

Dec. 20, 2018USD ($)

Sep. 30, 2021USD ($)

Line of Credit Facility [Line Items]

Repayments of Debt

$ 593,183

$ 708,910

$ 623,892

Cash and Cash Equivalents, at Carrying Value

450,285

183,211

$ 117,819

Restricted Cash and Cash Equivalents, Current

$ 20,965

$ 7,299

Debt Instrument, Covenant Compliance

As of December 31, 2021, the Company was
in compliance with the applicable financial and other covenants contained in its bank loan agreements and lease financings described in
Note 6.

Long-term Debt, Weighted Average Interest Rate, at Point in Time

2.94%

3.63%

5.28%

Debt Instrument, Unused Borrowing Capacity, Fee

$ 93

$ 65

$ 806

Gain amount from valuation instrument

307

Gain on hedging instrument

436

Not Legally Restricted [Member]

Line of Credit Facility [Line Items]

Cash and Cash Equivalents, at Carrying Value

64,000

58,000

Legally restricted [Member]

Line of Credit Facility [Line Items]

Restricted Cash and Cash Equivalents, Current

$ 22,986

12,320

8.30% 2022 Notes [Member]

Line of Credit Facility [Line Items]

Debt Instrument, Interest Rate, Stated Percentage

8.30%

Debt Instrument, Face Amount

$ 50,000

Debt Instrument, Frequency of Periodic Payment

quarterly
in arrears on the 15th day of February, May, August and November commencing on February 15, 2018

Debt Instrument, Maturity Date

Nov. 15,
2022

Debt Instrument, Redemption Price, Percentage

100.00%

Long-term Debt [Member]

Line of Credit Facility [Line Items]

Long-term Debt, Gross

$ 1,100,108

Write off of Deferred Debt Issuance Cost

3,612

3,701

1,229

Expenses on debt prepayments

$ 388

1,223

2,297

SEB $39,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jan. 22,
2021

Maximum borrowing capacity

$ 39,000

Amount drawn down

$ 39,000

Line of Credit Facility, Description

used to finance the cash consideration for the E.R. Acquisition Vessels

Delivery Date

January
26, 2021

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 1,950

Expiration date

January 2026

Line of Credit Facility, Collateral

first priority mortgage on the E.R. Acquisition Vessels

NBG $125,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jun. 24,
2021

Maximum borrowing capacity

$ 125,000

Amount drawn down

$ 125,000

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 3,750

Expiration date

June 2026

Line of Credit Facility, Collateral

first
priority mortgages on vessels Big Bang, Strange Attractor, Big Fish, Pantagruel , Star
Nasia, Star Danai, Star Renee, Star Markella, Star Laura, Star Moira, Star Jennifer, Star
Mariella, Star Helena, Star Maria, Star Triumph, Star Angelina and Star Gwyneth

Balloon installment

$ 50,000

DNB $310,000 Facility [Member]

Line of Credit Facility [Line Items]

Repayments of Debt

$ 98,505

41,982

ING $210,600 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Aug. 19,
2021

Maximum borrowing capacity

$ 40,000

Amount drawn down

$ 40,000

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 294

Line of Credit Facility, Collateral

ING
$210,600 Facility, is secured also by a first priority mortgage on the additional vessels Star Elizabeth and Star
Pavlina.

Balloon installment

$ 14,118

Number of Loan Tranches

DNB $107,500 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Sep. 28,
2021

Maximum borrowing capacity

$ 107,500

Amount drawn down

$ 107,500

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 3,707

Expiration date

September 2026

Line of Credit Facility, Collateral

The
DNB $107,500 Facility is secured by first priority mortgages on the vessels Star Luna, Star Astrid, Star Genesis, Star Electra, Star
Glory Star Monica, Star Borealis and Star Polaris.

Balloon installment

$ 33,362

Credit Agricole $43,000 Facility,Piraeus Bank $50,350 and Bank of Tokyo Facility [Member]

Line of Credit Facility [Line Items]

Repayments of Debt

$ 85,798

ABN AMRO $97,150 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Oct. 27,
2021

Maximum borrowing capacity

$ 97,150

Amount drawn down

$ 97,150

Line of Credit Facility, Collateral

The
ABN AMRO $97,150 Facility is secured by a first priority mortgage on the vessels Star Pauline, Star Angie, Star Sophia, Star Georgia,
Star Kamila, Star Nina, Star Eva, Star Paola, Star Aphrodite, Star Lydia and Star Nicole.

Number of Loan Tranches

ABN AMRO $97,150 Facility [Member] | Tranche A [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 68,950

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 2,250

Expiration date

October 2026

Balloon installment

$ 23,950

ABN AMRO $97,150 Facility [Member] | Tranche B [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 28,200

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 2,350

Expiration date

October 2024

Citibank $130,000 Facility [Member]

Line of Credit Facility [Line Items]

Repayments of Debt

$ 89,850

Credit Agricole $62,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Oct. 29,
2021

Maximum borrowing capacity

$ 62,000

Amount drawn down

$ 62,000

Repayment installment

Frequency of payments

quarterly

Expiration date

November 2026

Line of Credit Facility, Collateral

The
Credit Agricole $62,000 Facility is secured by the vessels Star Martha, Star Sky, Stardust, Star Despoina and Star Piera.

Balloon installment

$ 8,800

Credit Agricole $62,000 Facility [Member] | First three installments [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Periodic Payment

3,000

Credit Agricole $62,000 Facility [Member] | Following seventeen installments [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Periodic Payment

2,600

Alpha Bank $35,000 Facility and BNP Facility [Member]

Line of Credit Facility [Line Items]

Repayments of Debt

$ 49,391

Attradius Facility [Member]

Line of Credit Facility [Line Items]

Debt instrument, prepayment amount

$ 1,999

HSBC Working Capital Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Feb. 6,
2020

Maximum borrowing capacity

$ 30,000

Amount drawn down

$ 30,000

Line of Credit Facility, Description

in order to finance working capital requirements

Line of Credit Facility, Collateral

The
agreement is secured by second priority mortgage on the eight vessels which secure the HSBC $80,000 Facility.

Long-term Debt, Gross

$ 0

DSF $55,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Mar. 26,
2020

Maximum borrowing capacity

$ 55,000

Line of Credit Facility, Description

used
to refinance the outstanding amounts under the lease agreements of the vessels Star Eleni and Star Leo

Line of Credit Facility, Collateral

The
DSF $55,000 Facility is secured by a first priority mortgage on the two vessels.

Number of Loan Tranches

Debt Instrument, Description of Variable Rate Basis

US
LIBOR

DSF $55,000 Facility [Member] | Interest Rate Swap [Member]

Line of Credit Facility [Line Items]

Debt Instrument, Interest Rate, Stated Percentage

0.581%

Derivative, Term of Contract

3 years

Derivative, Description of Terms

July
1, 2020

DSF $55,000 Facility [Member] | Tranche A and B [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 27,500

Repayment installment

Frequency of payments

semi-annual

Line of Credit Facility, Periodic Payment

$ 1,058

Expiration date

April 2025

Balloon installment

$ 16,923

ING $170,600 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jul. 1,
2020

Amount drawn down

$ 70,000

Line of Credit Facility, Description

and
used to refinance all outstanding amounts under the lease agreements with CMBL of the vessels Star Claudine, Star Ophelia, Star Lyra,
Star Bianca, Star Flame and Star Mona

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Collateral

The
ING $170,600 Facility is secured by a first priority mortgage on the vessels Peloreus, Leviathan, Star Magnanimus, Star Alessia, Star
Claudine, Star Ophelia, Star Lyra, Star Bianca, Star Flame and Star Mona.

Number of Loan Tranches

Line of Credit Facility, Increase (Decrease), Net

$ 70,000

ING $170,600 Facility [Member] | First Two Tranches [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 22,500

Line of Credit Facility, Description

was
used to refinance the outstanding amount under the then existing loan agreement of the vessels Peloreus and Leviathan

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 469

Balloon installment

$ 9,375

ING $170,600 Facility [Member] | Additional Two Tranches [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 1,400

Line of Credit Facility, Description

used
to finance the acquisition and installation of scrubber equipment for the vessels Peloreus and Leviathan

Repayment installment

Line of Credit Facility, Periodic Payment

$ 88

ING $170,600 Facility [Member] | Final Two Tranches [Member]

Line of Credit Facility [Line Items]

Amount drawn down

1,400

Line of Credit Facility, Description

used
to finance the acquisition and installation of scrubber equipment for the vessels Star Magnanimus and Star Alessia

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 88

ING $170,600 Facility [Member] | Tranche E [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 32,100

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 535

Balloon installment

$ 17,120

ING $170,600 Facility [Member] | Tranche F [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 17,400

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 311

Balloon installment

$ 8,700

ING $170,600 Facility [Member] | Tranche E and F [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Description

used
to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Magnanimus and Star Alessia

NTT Facility $17,600 [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jul. 10,
2020

Maximum borrowing capacity

$ 17,600

Line of Credit Facility, Description

and
used to refinance the outstanding amount under the lease agreement with CMBL of the vessel Star Calypso

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 476

Line of Credit Facility, Collateral

The
NTT $17,600 Facility is secured by first priority mortgage on the aforementioned vessel.

Balloon installment

$ 8,086

CEXIM [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Dec. 1,
2020

Maximum borrowing capacity

$ 57,564

Line of Credit Facility, Collateral

The
facility matures in December 2028 and is secured by first priority mortgages on the four aforementioned vessels.

Number of Loan Tranches

CEXIM [Member] | Tranche A [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 13,209

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 330

Balloon installment

2,642

CEXIM [Member] | Tranche B [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 26,175

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 654

Balloon installment

5,235

CEXIM [Member] | Remaining Two Tranches [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 9,090

Repayment installment

Frequency of payments

quarterly

SEB Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jan. 28,
2019

Maximum borrowing capacity

$ 71,420

Expiration date

January 2025

Line of Credit Facility, Collateral

The
SEB Facility is secured by a first priority mortgage on the two vessels.

Number of Loan Tranches

SEB Facility [Member] | Tranche A and B [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 32,825

Line of Credit Facility, Description

used
together with cash on hand to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Laetitia
and Star Sienna

Repayment installment

Frequency of payments

quarterly

Balloon installment

$ 18,723

SEB Facility [Member] | Tranche A and B [Member] | First 10 Quarters [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Periodic Payment

677

SEB Facility [Member] | Tranche A and B [Member] | Remaining 14 Quarters [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Periodic Payment

$ 524

SEB Facility [Member] | Tranche C [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 1,260

Repayment installment

Frequency of payments

quarterly

SEB Facility [Member] | Tranche D [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 1,260

Repayment installment

Frequency of payments

quarterly

SEB Facility [Member] | Remaining two tranches [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Description

were
used to finance the acquisition and installation of scrubber equipment for the respective vessels.

E SUN Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jan. 31,
2019

Maximum borrowing capacity

$ 37,100

Amount drawn down

$ 37,100

Line of Credit Facility, Description

was
used to refinance the outstanding amount under the then existing lease agreement of the vessel Star Ariadne.

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 618

Expiration date

March 2024

Line of Credit Facility, Collateral

The
E.SUN Facility is secured by a first priority mortgage on the vessel Star Ariadne

Balloon installment

$ 24,733

Atradius Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Feb. 28,
2019

Maximum borrowing capacity

$ 36,645

Line of Credit Facility, Description

was
used to finance the acquisition and installation of scrubber equipment for 42
vessels

Repayment installment

Frequency of payments

semi-annual

Line of Credit Facility, Periodic Payment

$ 3,331

Expiration date

June 2024

Line of Credit Facility, Collateral

The
facility is secured by a second-priority mortgage on 20
vessels
of the Company’s fleet.

Number of vessels financed by debt instrument

Atradius Facility [Member] | Three Tranches [Member]

Line of Credit Facility [Line Items]

Amount drawn down

33,311

Atradius Facility [Member] | Last Tranche [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 3,331

Citibank $62,600 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

May 8,
2019

Amount drawn down

$ 62,563

Line of Credit Facility, Description

was
used, together with cash on hand, to refinance the outstanding amounts under the then existing lease agreements of the vessels Star
Virgo and Star Marisa

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 1,298

Expiration date

May 2024

Line of Credit Facility, Collateral

The
Citibank $62,600 Facility is secured by a first priority mortgage on the aforementioned vessels.

Balloon installment

$ 36,611

CTBC Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

May 24,
2019

Maximum borrowing capacity

$ 35,000

Amount drawn down

$ 35,000

Line of Credit Facility, Description

was
used to refinance the outstanding amount under the then existing lease agreement of the vessel Star Karlie

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 730

Expiration date

May 2024

Line of Credit Facility, Collateral

The
CTBC Facility is secured by first priority mortgage on the aforementioned vessel

Balloon installment

$ 20,400

NTT Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Jul. 31,
2019

Maximum borrowing capacity

$ 17,500

Amount drawn down

$ 17,500

Line of Credit Facility, Description

was
used to refinance the outstanding amount of $11,161 of the vessel Star Aquarius under the then existing loan agreemen

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 313

Expiration date

August 2026

Line of Credit Facility, Collateral

The
NTT Facility is secured by first priority mortgage on the vessel Star Aquarius

Balloon installment

$ 9,063

NIBC $32,000 Facility [Member]

Line of Credit Facility [Line Items]

Repayments of Debt

$ 11,161

CEXIM $106,470 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Sep. 23,
2019

Maximum borrowing capacity

$ 106,470

Line of Credit Facility, Description

was
used to refinance the outstanding amounts under the then existing lease agreements of the vessels Katie K, Debbie H and Star
Ayesha

Line of Credit Facility, Collateral

The
CEXIM $106,470 Facility is secured by first priority mortgages on the three aforementioned vessels.

Number of Loan Tranches

CEXIM $106,470 Facility [Member] | Tranche A [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 35,490

Amount drawn down

$ 35,490

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 739

Balloon installment

5,915

CEXIM $106,470 Facility [Member] | Tranche B [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 35,490

Amount drawn down

35,490

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 739

Balloon installment

5,915

CEXIM $106,470 Facility [Member] | Tranche C [Member]

Line of Credit Facility [Line Items]

Maximum borrowing capacity

$ 35,490

Amount drawn down

$ 35,490

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 739

Balloon installment

$ 5,915

HSBC $80,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Sep. 26,
2018

Maximum borrowing capacity

$ 80,000

Amount drawn down

$ 80,000

Line of Credit Facility, Description

to refinance the aggregate outstanding amount of $74,647
under
two of the then existing loan agreements

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 2,140

Expiration date

August 2023

Line of Credit Facility, Collateral

As
of December 31, 2021, the facility is secured by the vessels Kymopolia, Mercurial Virgo, Pendulum, Amami, Madredeus, Star Emily, Star
Omicron, and Star Zeta.

Balloon installment

$ 29,095

Debt instrument, prepayment amount

$ 7,505

HSH Nordbank $64,500 Facility and HSBC $86,600 Facility

Line of Credit Facility [Line Items]

Repayments of Debt

$ 74,647

ABN $115,000 Facility [Member]

Line of Credit Facility [Line Items]

Line of Credit Facility, Initiation Date

Dec. 17,
2018

Maximum borrowing capacity

$ 115,000

Line of Credit Facility, Collateral

The
loan is secured by a first priority mortgage on the vessels Star Virginia, Star Scarlett, Star Jeannette, Star Audrey, Star Bright,
Star Marianne and Star Janni

Number of Loan Tranches

ABN $115,000 Facility [Member] | Tranche A [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 69,525

Line of Credit Facility, Description

first
tranche was used to refinance the then existing indebtedness of the vessels Star Virginia, Star Scarlett, Star Jeannette and Star
Audrey

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 1,705

Expiration date

December
2023

Balloon installment

$ 35,428

ABN $115,000 Facility [Member] | Tranche B [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 7,900

Line of Credit Facility, Description

second
was used to partially finance the acquisition cost of Star Bright

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 282

Expiration date

December
2023

Balloon installment

$ 2,260

ABN $115,000 Facility [Member] | Remaining Two Tranches [Member]

Line of Credit Facility [Line Items]

Amount drawn down

$ 17,875

Line of Credit Facility, Description

used
to partially finance the acquisition cost of Star Marianne and Star Janni

Repayment installment

Frequency of payments

quarterly

Line of Credit Facility, Periodic Payment

$ 672

Expiration date

December 2023

Balloon installment

$ 5,114

Preferred, Common Shares and _2

Preferred, Common Shares and Additional paid in capital (Details Narrative)	Jan. 03, 2019shares	Jan. 26, 2021shares	Jan. 31, 2019shares	Mar. 31, 2021$ / shares	Jul. 01, 2021USD ($)	Jun. 30, 2021$ / shares	Jun. 24, 2021$ / sharesshares	Sep. 30, 2021$ / shares	Dec. 31, 2021USD ($)$ / sharesshares	Dec. 31, 2020USD ($)$ / sharesshares	Dec. 31, 2019USD ($)$ / sharesshares	Dec. 31, 2018USD ($)$ / sharesshares	Aug. 05, 2021USD ($)	Nov. 29, 2018USD ($)
Purchase of treasury stock \| $									$ 10,278,000		$ 20,430,000
Cash dividend \| $									230,473,000	$ 4,804,000	$ 4,804,000
Dividend per share \| $ / shares				$ 0.30		$ 0.70		$ 1.25		$ 0.05	$ 0.05
Payments of dividends outstanding \| $									$ 233,000
Sales Agents [Member]
Number of offering programs					2
Offering price per program \| $					$ 75,000,000
Eneti Warrant [Member]
Number of shares issued as part of the consideration									3,000,000
Star Marianne And Star Janni [Member]
Number of shares issued as part of the consideration			999,336
Delphin Vessels [Member]
Number of shares issued as part of the consideration											4,503,370
Number of vessels acquired											11
Star Marilena, Star Bueno and Star Borneo [Member]
Number of shares issued as part of the consideration		2,100,000							2,100,000
Secondary Offering [Member] \| Oaktree Capital Management L.P. [Member]
Number of shares sold							2,382,775
Price per share, sold \| $ / shares							$ 22
Share Repurchase Program [Member]
Stock repurchase program, authorized amount \| $														$ 50,000,000
Share Repurchase Program [Member] \| Open Market Transactions [Member]
Common shares repurchased											1,579,195	341,363
Shares cancelled	341,363										1,579,195
Common shares repurchased, Average price per Share \| $ / shares											$ 7.49	$ 9.17
Purchase of treasury stock \| $											$ 11,831,000	$ 3,145,000
Share Repurchase Program [Member] \| Private Transaction [Member]
Common shares repurchased											1,020,000
Shares cancelled											1,020,000
Common shares repurchased, Average price per Share \| $ / shares											$ 8.40
Purchase of treasury stock \| $											$ 8,600,000
New Share Repurchase Program [Member]
Stock repurchase program, authorized amount \| $													$ 50,000,000
New Share Repurchase Program [Member] \| Open Market Transactions [Member]
Common shares repurchased									466,268
Shares cancelled									466,268
Common shares repurchased, Average price per Share \| $ / shares									$ 22.01
Purchase of treasury stock \| $									$ 10,300,000
Preferred Stock [Member]
Preferred Stock, Shares Authorized									25,000,000	25,000,000
Preferred Stock, Par or Stated Value Per Share \| $ / shares									$ 0.01	$ 0.01
Common Stock [Member]
Common Shares - Shares Authorized									300,000,000	300,000,000
Common Shares - Par Value \| $ / shares									$ 0.01	$ 0.01
Shares cancelled									(466,268)		(2,940,558)
Purchase of treasury stock \| $									$ 4,000		$ 29,000
Stock issued during period, share based compensation									521,310	1,073,490	883,700
Treasury Stock, Shares, Retired									6,971

Management fees (Details Narrat

Management fees (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Management Fees
Management fees	$ 19,489	$ 18,405	$ 17,500

Equity Incentive Plans - Summar

Equity Incentive Plans - Summary of non-vested restricted share options (Table) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Unvested at beginning of period	415,889	271,038	143,000
Unvested at beginning of period	$ 7.09	$ 9.28	$ 12.49
Granted	515,000	1,100,000	885,000
Granted	$ 18.88	$ 5.09	$ 8.13
Vested	(595,560)	(955,149)	(756,962)
Vested	$ 15.28	$ 5.41	$ 8.54
Unvested at end of period	335,329	415,889	271,038
Unvested at end of period	$ 10.65	$ 7.09	$ 9.28

Equity Incentive Plans - Summ_2

Equity Incentive Plans - Summary of non-vested share options (Table) (Details) - $ / shares	Apr. 13, 2021	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Number of options - balance	104,250	104,250
Weighted average exercise price - balance	$ 27.5	$ 27.5
Weighted Average Grant Date Fair Value - balance	$ 7.0605	$ 7.0605

Equity Incentive Plans (Details

Equity Incentive Plans (Details Narrative) $ / shares in Units, $ in Thousands

Jan. 07, 2019USD ($)shares

Apr. 13, 2015$ / sharesshares

Jun. 07, 2021$ / sharesshares

May 25, 2020$ / sharesshares

May 22, 2019shares

Aug. 31, 2020shares

Aug. 31, 2019shares

Dec. 31, 2021USD ($)$ / sharesshares

Dec. 31, 2020USD ($)$ / sharesshares

Dec. 31, 2019USD ($)$ / sharesshares

Sep. 30, 2021shares

May 31, 2021shares

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Amortization expense for RSUs expected to vest | $

$ 1,190

Number of shares granted

515,000

1,100,000

885,000

Number of shares vested during the period

595,560

955,149

756,962

Grant date fair value | $ / shares

$ 18.88

$ 5.09

$ 8.13

Dividend, Share-based Payment Arrangement, Cash | $

$ 875

$ 14

Share-based Payment Arrangement, Noncash Expense | $

10,335

4,624

7,943

Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $

$ 1,777

Weighted average remaining term for non-vested restricted share awards

1 year 7 months 2 days

Total fair value of shares vested during the period | $

$ 13,104

$ 6,681

$ 7,703

Common Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture

521,310

1,073,490

883,700

2019 Equity Incentive Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Shares reserved for issuance

900,000

Number of shares granted

885,000

Number of shares vested during the period

99,769

685,462

2019 Equity Incentive Plan [Member] | Vest in August 2022 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

99,769

2020 Equity Incentive Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Shares reserved for issuance

1,100,000

Number of shares granted

1,100,000

Number of shares vested during the period

855,380

Grant date fair value | $ / shares

$ 5.09

2020 Equity Incentive Plan [Member] | Vest in May 2021 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

122,310

2020 Equity Incentive Plan [Member] | Vest in May 2023 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

122,310

Equity Incentive Plan 2021 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Shares reserved for issuance

515,000

Number of shares granted

515,000

Grant date fair value | $ / shares

$ 18.88

Equity Incentive Plan 2021 [Member] | Vest In September 2021 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

401,750

Equity Incentive Plan 2021 [Member] | Vest In June 2022 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

56,625

Equity Incentive Plan 2021 [Member] | Vest In June 2024 [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

56,625

Minimum [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Award percentage

5.00%

Maximum [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Award percentage

10.00%

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Total shares authorized

4,000,000

Number of tranches

Restricted common shares expected to vest

400,000

Vesting rights

Each
RSU would represent, upon vesting, a right for the beneficiary to receive one common share of the Company.

Restricted Stock Units (RSUs) [Member] | Tranche A [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting Date

Apr. 30,
2021

RSUs shares

2,000,000

Restricted Stock Units (RSUs) [Member] | Tranche B [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted common shares expected to vest

400,000

Vesting Date

Apr. 30,
2022

RSUs shares

2,000,000

Amortization expense for RSUs expected to vest | $

$ 1,235

Amortization expense reversed, included in General and administrative expenses | $

$ 1,235

Restricted Stock Units (RSUs) [Member] | Minimum [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Fleet performance indices | $

$ 120,000

Cumulative Bunker Saving threshold | $

$ 250,000

Restricted Stock Units (RSUs) [Member] | Maximum [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Fleet performance indices | $

$ 300,000

Share-based Payment Arrangement, Option [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Number of options granted

104,250

Option exercise price | $ / shares

$ 27.50

Earnings _ (Loss) per share (_2

Earnings / (Loss) per share (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income / (loss)	$ 680,530	$ 9,660	$ (16,201)
Weighted average common shares outstanding, basic	101,183,829	96,128,173	93,735,549
Basic earnings / (loss) per share	$ 6.73	$ 0.10	$ (0.17)
Dillutive effect of non vested shares	295,243	153,216	0
Weighted average common shares outstanding, diluted	101,479,072	96,281,389	93,735,549
Diluted earnings / (loss) per share	$ 6.71	$ 0.10	$ (0.17)

Earnings _ (Loss) per share (De

Earnings / (Loss) per share (Details Narrative)	12 Months Ended
Earnings / (Loss) per share (Details Narrative)	Dec. 31, 2019shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of anti-dilutive shares	271,038
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of anti-dilutive shares	104,250

Accrued liabilities (Table) (De

Accrued liabilities (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Audit fees	$ 400	$ 341
Legal fees	122	137
Other professional fees	1,739	2,300
Vessel Operating and voyage expenses	24,406	12,481
Loan and interest rate swaps interest and financing fees	4,083	5,547
Income tax	60	134
Total Accrued Liabilities	$ 30,810	$ 20,940

Income taxes (Details Narrative

Income taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Income taxes (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tonnage taxes	$ 2,634	$ 2,103	$ 2,087
Income tax	$ 16	$ 152	$ 109

Commitments and Contingencies -

Commitments and Contingencies - Charter party arrangements (Table) (Details) - Lease Agreements [Member] $ in Thousands	Dec. 31, 2021USD ($)
Other Commitments [Line Items]
Total	$ 109,959
2022	109,959
Future, minimum, non-cancellable charter revenue (1) [Member]
Other Commitments [Line Items]
Total	109,959
2022	$ 109,959

Commitments and Contingencies_2

Commitments and Contingencies - Other commitments (Table) (Details) - Commitments [Member] $ in Thousands	Dec. 31, 2021USD ($)
Other Commitments [Line Items]
Total	$ (21,836)
2022	(19,182)
2023	(2,524)
2024	(130)
Vessel BWTS (3) [Member]
Other Commitments [Line Items]
Total	(21,836)
2022	(19,182)
2023	(2,524)
2024	$ (130)

Voyage revenues (Table) (Detail

Voyage revenues (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
Voyage revenues (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	$ 1,427,423	$ 693,241	$ 821,365
Time charters [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	745,442	309,503	373,927
Voyage charters [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	683,146	385,482	437,779
Pool adjustment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	$ (1,165)	$ (1,744)	$ 9,659

Voyage revenues (Details Narrat

Voyage revenues (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross trade accounts receivable	$ 43,227
Increase (Decrease) in Deferred Revenue	13,285	$ 4,301	$ (3,481)
Increase (Decrease) in Prepaid Expense and Other Assets	(19,012)	(2,211)	(14,940)
Other Assets, Current	15,217	12,991
Deferred Revenue, Current	24,960	11,675
Voyage revenues	1,427,423	693,241	821,365
Revenues	1,427,423	693,241	821,365
Charter In Vessels [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	20,215	36,234	185,311
Sublease Income	1,212	243	15,253
Revenue Contracts [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Increase (Decrease) in Prepaid Expense and Other Assets	2,736
Other Assets, Current	4,923	2,187
Vessels Operating in CCL Pool [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	(4,188)	(3,695)	$ 9,524
Vessels Operating In Short Pool [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	(328)	$ 1,923
Vessels Operating With Other Parties [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Voyage revenues	$ 3,351

Voyage and Vessel operating e_3

Voyage and Vessel operating expenses - Voyage expenses (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Voyage And Vessel Operating Expenses
Port charges	$ 63,027	$ 55,738	$ 63,576
Bunkers	139,252	130,800	146,089
Commissions – third parties	13,955	6,134	6,828
Commissions – related parties (Note 3)	3,870	3,780	3,850
Miscellaneous	6,007	3,606	2,619
Total voyage expenses	$ 226,111	$ 200,058	$ 222,962

Voyage and Vessel operating e_4

Voyage and Vessel operating expenses - Vessel operating expenses (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Voyage And Vessel Operating Expenses
Crew wages and related costs	$ 126,180	$ 109,311	$ 103,701
Insurances	14,981	13,002	10,311
Maintenance, repairs, spares and stores	44,646	37,947	25,675
Lubricants	11,823	10,669	9,833
Tonnage taxes (Note 13)	2,634	2,103	2,087
Pre-delivery and Pre-joining expenses	3,104	0	1,507
Miscellaneous	5,293	5,511	6,948
Total vessel operating expenses	$ 208,661	$ 178,543	$ 160,062

Fair Value Measurements and H_3

Fair Value Measurements and Hedging - Schedule of Derivative Instrument (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)
ING [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Mar. 29, 2020
Expiry	Mar. 29, 2026
Fixed Rate	0.70%
ING [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 29,960
ING [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 26,215
ING 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Apr. 2, 2020
Expiry	Oct. 2, 2025
Fixed Rate	0.70%
ING 2 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 39,375
ING 2 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 33,750
ING 3 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Apr. 3, 2020
Expiry	Apr. 3, 2023
Fixed Rate	0.675%
ING 3 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 16,157
ING 3 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 14,293
SEB [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Apr. 30, 2020
Expiry	Jan. 30, 2025
Fixed Rate	0.727%
SEB [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 58,885
SEB [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 51,072
Citi [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jul. 30, 2020
Expiry	Oct. 18, 2023
Fixed Rate	0.33%
Citi [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 104,450
Citi [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 86,200
Citi 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Aug. 10, 2020
Expiry	May 10, 2024
Fixed Rate	0.351%
Citi 2 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 56,075
Citi 2 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 49,587
Citi 3 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jun. 22, 2020
Expiry	Dec. 20, 2023
Fixed Rate	0.338%
Citi 3 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 94,538
Citi 3 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 74,557
Citi 4 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jun. 29, 2020
Expiry	Aug. 28, 2023
Fixed Rate	0.328%
Citi 4 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 56,915
Citi 4 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 44,075
Citi 5 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jul. 21, 2020
Expiry	Jul. 21, 2023
Fixed Rate	0.325%
Citi 5 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 99,816
Citi 5 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 88,725
Citi 6 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Aug. 28, 2020
Expiry	May 28, 2024
Fixed Rate	0.352%
Citi 6 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 31,350
Citi 6 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 27,700
Citi 7 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Sep. 1, 2020
Expiry	Mar. 1, 2024
Fixed Rate	0.343%
Citi 7 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 33,390
Citi 7 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 30,298
ING July 20 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jul. 6, 2020
Expiry	Jul. 6, 2026
Fixed Rate	0.37%
ING July 20 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 70,000
ING July 20 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 55,417
SEB 3 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Apr. 26, 2021
Expiry	Jan. 26, 2026
Fixed Rate	0.4525%
SEB 3 [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 37,050
SEB 3 [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 33,150
ABN [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Mar. 20, 2021
Expiry	Dec. 20, 2023
Fixed Rate	0.312%
ABN [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 84,548
ABN [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 74,557
NBG [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Inception	Jun. 28, 2021
Expiry	Jun. 28, 2023
Fixed Rate	0.65%
NBG [Member] \| Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 125,000
NBG [Member] \| Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Notional amount	$ 117,500

Fair Value Measurements and H_4

Fair Value Measurements and Hedging - Derivative instruments effect on statement of operations (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest and finance costs
Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 7)	$ (2,351)	$ (848)	$ 0
Total Gain/(loss) recognized	(2,351)	(848)	0
Gain/(loss) on forward freight agreements and bunker swaps, net
Total Gain/(loss) recognized	3,564	16,156	4,411
Forward Freight Agreements [Member]
Gain/(loss) on forward freight agreements and bunker swaps, net
Realized gain/(loss) on forward freight agreements and freight options	1,308	(5,995)	6,043
Unrealized gain/(loss) on forward freight agreements and freight options	1,802	(430)	(321)
Bunker Swaps [Member]
Gain/(loss) on forward freight agreements and bunker swaps, net
Realized gain/(loss) on bunker swaps	748	20,856	(1,386)
Unrealized gain/(loss) on bunker swaps	$ (294)	$ 1,725	$ 75

Fair Value Measurements and H_5

Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Derivative Asset, Current	$ 1,996	$ 0
Derivative Asset, Noncurrent	6,913	0
LIABILITIES
Derivative Liability, Current	743	1,939
Fair Value, Inputs, Level 1 [Member] \| Not Designated as Hedging Instrument [Member]
ASSETS
Derivative Asset	1,597
LIABILITIES
Derivative Liability, Current		212
Derivative Liability	300	$ 212
Fair Value, Inputs, Level 1 [Member] \| Not Designated as Hedging Instrument [Member] \| Bunker Swaps [Member]
ASSETS
Derivative Asset, Current	7
LIABILITIES
Derivative Liability, Current	300
Fair Value, Inputs, Level 1 [Member] \| Not Designated as Hedging Instrument [Member] \| Forward Freight Agreements [Member]
ASSETS
Derivative Asset, Current	1,440
Derivative Asset, Noncurrent	$ 150

Fair Value Measurements and H_6

Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Derivative Asset, Current	$ 1,996	$ 0
Derivative Asset, Noncurrent	6,913	0
LIABILITIES
Derivatives, current liability portion	743	1,939
Derivatives, non-current liability portion	0	2,265
Fair Value, Inputs, Level 2 [Member] \| Designated as Hedging Instrument [Member]
ASSETS
Total	7,312	0
LIABILITIES
Total	443	3,992
Fair Value, Inputs, Level 2 [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
ASSETS
Derivative Asset, Current	549
Derivative Asset, Noncurrent	6,763
LIABILITIES
Derivatives, current liability portion	443	1,727
Derivatives, non-current liability portion	$ 0	$ 2,265

Fair Value Measurements and H_7

Fair Value Measurements and Hedging - Fair value measurements on a nonrecurring basis (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges	$ 0	$ 0	$ 3,411
Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			3,411
Fair Value, Nonrecurring [Member] \| Vessels Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, Long-Lived Asset, Held-for-Use			3,411
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure			24,475
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Vessels Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure			$ 24,475

Fair Value Measurements and H_8

Fair Value Measurements and Hedging (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted cash, current		$ 20,965	$ 7,299
Asset Impairment Charges		0	0	$ 3,411
Fair Value, Inputs, Level 2 [Member] \| DSF $55,000 Facility [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Debt Instrument, Fair Value Disclosure		49,008
Difference between book and fair value		354
Loan's book value		48,654
Derivative [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted cash, current		$ 10,128	$ 895
Forecast [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	$ 654

Subsequent Events (Details Narr

Subsequent Events (Details Narrative) - Subsequent Event [Member]	14 Months Ended
	Feb. 16, 2022$ / shares
Subsequent Event [Line Items]
Dividends Payable, Date Declared	Feb. 16, 2022
Dividends Payable, Amount Per Share	$ 2
Dividends Payable, Date to be Paid	Mar. 15, 2022
Dividends Payable, Date of Record	Mar. 2, 2022