ServisFirst Bancshares (SFBS) 10-Q8 May 242024 Q1 Quarterly reportFinancial data

Company Profile

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
Document And Entity Information - shares	Mar. 31, 2024	Apr. 29, 2024
Document Information [Line Items]
Entity Central Index Key	0001430723
Entity Registrant Name	ServisFirst Bancshares, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2024
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-36452
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-0734029
Entity Address, Address Line One	2500 Woodcrest Place
Entity Address, City or Town	Birmingham
Entity Address, State or Province	AL
Entity Address, Postal Zip Code	35209
City Area Code	205
Local Phone Number	949-0302
Title of 12(b) Security	Common stock, par value $.001 per share
Trading Symbol	SFBS
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		54,509,296

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks	$ 78,708	$ 123,430	[1]
Interest-bearing balances due from depository institutions	1,201,566	1,907,083	[1]
Federal funds sold	170,625	100,575	[1]
Cash and cash equivalents	1,450,899	2,131,088	[1]
Available-for-sale debt securities, at fair value	1,073,929	900,183	[1]
Held-to-maturity debt securities (fair value of $785,270 and $907,191, respectively)	867,696	982,664	[1]
Restricted equity securities	11,300	10,226	[1]
Mortgage loans held for sale	7,592	5,074	[1]
Loans	11,880,696	11,658,829	[1]
Less allowance for credit losses	(155,892)	(153,317)	[1]
Net Loans	11,724,804	11,505,512	[1]
Premises and equipment, net	59,302	59,324	[1]
Accrued interest and dividends receivable	61,407	59,181	[1]
Deferred tax asset, net	60,292	62,918	[1]
Other real estate owned and repossessed assets	490	995	[1]
Bank owned life insurance contracts	294,786	292,759	[1]
Goodwill	13,615	13,615
Other assets	95,518	106,129	[1]
Total assets	15,721,630	16,129,668	[1]
Liabilities:
Non-interest-bearing demand	2,627,639	2,643,101
Interest-bearing	10,123,809	10,630,410	[1]
Total deposits	12,751,448	13,273,511	[1]
Federal funds purchased	1,345,328	1,256,724	[1]
Other borrowings	64,737	64,735	[1]
Accrued interest and dividends payable	26,822	27,545
Other liabilities	57,259	66,748	[1]
Total liabilities	14,245,594	14,689,263	[1]
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at March 31, 2024 and December 31, 2023	0	0	[1]
Common stock, par value $0.001 per share; 200,000,000 shares authorized: 54,507,778 shares issued and outstanding at March 31, 2024; and 54,461,580 shares issued and outstanding at December 31, 2023	54	54	[1]
Additional paid-in capital	233,560	232,605	[1]
Retained earnings	1,288,514	1,254,841	[1]
Accumulated other comprehensive loss	(46,592)	(47,595)
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	1,475,536	1,439,905	[1]
Noncontrolling interest	500	500	[1]
Total stockholders' equity	1,476,036	1,440,405	[1]
Total liabilities and stockholders' equity	$ 15,721,630	$ 16,129,668	[1]

[1]derived from audited financial statements.

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Held to maturity debt securities, fair value	$ 785,270	$ 907,191
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001	[1]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000	[1]
Preferred stock, undesignated (in shares)	1,000,000	1,000,000	[1]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	[1]
Common stock, shares authorized (in shares)	200,000,000	200,000,000	[1]
Common stock, shares issued (in shares)	54,507,778	54,461,580	[1]
Common stock, shares outstanding (in shares)	54,507,778	54,461,580	[1]

[1]derived from audited financial statements.

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest income:
Interest and fees on loans	$ 186,978	$ 163,732
Taxable securities	15,979	10,895
Nontaxable securities	9	21
Federal funds sold	541	614
Other interest and dividends	23,203	6,060
Total interest income	226,710	181,322
Interest expense:
Deposits	104,066	55,713
Borrowed funds	20,149	17,308
Total interest expense	124,215	73,021
Net interest income	102,495	108,301
Provision for credit losses	4,368	4,197
Net interest income after provision for credit losses	98,127	104,104
Noninterest income
Bank-owned life insurance income	3,231	1,621
Other operating income	599	635
Total noninterest income	8,813	6,321
Noninterest expense:
Salaries and employee benefits	22,986	19,066
Equipment and occupancy	3,557	3,435
Third party processing and other services	7,166	7,284
Professional services	1,464	1,654
FDIC and other regulatory assessments	3,905	1,517
Other real estate owned	30	6
Other operating expense	7,195	6,702
Total noninterest expense	46,303	39,664
Income before income taxes	60,637	70,761
Provision for income taxes	10,611	12,790
Net income	50,026	57,971
Dividends on preferred stock	0	0
Net income available to common stockholders	$ 50,026	$ 57,971
Basic earnings per common share (in dollars per share)	$ 0.92	$ 1.07
Diluted earnings per common share (in dollars per share)	$ 0.92	$ 1.06
Deposit Account [Member]
Noninterest income
Noninterest income	$ 2,150	$ 1,934
Mortgage Banking [Member]
Noninterest income
Noninterest income	678	442
Credit Card [Member]
Noninterest income
Noninterest income	$ 2,155	$ 1,689

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net income	$ 50,026	$ 57,971
Other comprehensive income (loss), net of tax
Unrealized net holding gains (losses) arising during period from securities available-for-sale, net of $2,373 and $(221) for the three months ended March 31, 2024 and 2023, respectively	1,138	(667)
Amortization of net unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax of $(37) and $(46) for the three months ended March 31, 2024 and 2023, respectively	(135)	(129)
Other comprehensive income (loss), net of tax	1,003	(796)
Comprehensive income	$ 51,029	$ 57,175

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Unrealized holding gain (loss) from available for sale securities, tax	$ 2,373	$ (221)
Amortization of net unrealized gains (losses) on securities transferred from available-for-sale to held-to-maturity, tax	$ (37)	$ (46)

Consolidated Statement of Stock

Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2022	54,326,527
Balance at Dec. 31, 2022	$ 54	$ 0	$ 229,693	$ 1,109,902	$ (42,253)	$ 500	$ 1,297,896
Common dividends declared	0	0	0	(15,233)	0	0	(15,233)
Dividends on nonvested restricted stock recognized as compensation expense	$ 0	0	0	41	0	0	41
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	20,713
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	50,785
Issue shares of common stock upon exercise of stock options	$ 0	0	846	0	0	0	846
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,716)	0	0	0	(1,716)
Stock-based compensation expense	0	0	808	0	0	0	808
Other comprehensive income (loss), net of tax	0	0	0	0	(796)	0	(796)
Net income	$ 0	0	0	57,971	0		57,971
Net income attributable to noncontrolling interest						0
Profit loss							57,971
Balance (in shares) at Mar. 31, 2023	54,398,025
Balance at Mar. 31, 2023	$ 54	0	229,631	1,152,681	(43,049)	500	1,339,817
Balance (in shares) at Dec. 31, 2023	54,461,580
Balance at Dec. 31, 2023	$ 54	0	232,605	1,254,841	(47,595)	500	1,440,405	[1]
Common dividends declared	$ 0	0	0	(16,353)	0	0	(16,353)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	39,912
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	6,286
Issue shares of common stock upon exercise of stock options	$ 0	0	130	0	0	0	130
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(133)	0	0	0	(133)
Stock-based compensation expense	0	0	958	0	0	0	958
Other comprehensive income (loss), net of tax	0	0	0	0	1,003	0	1,003
Net income	$ 0	0	0	50,026	0		50,026
Net income attributable to noncontrolling interest						0
Profit loss							50,026
Balance (in shares) at Mar. 31, 2024	54,507,778
Balance at Mar. 31, 2024	$ 54	$ 0	$ 233,560	$ 1,288,514	$ (46,592)	$ 500	$ 1,476,036

[1]derived from audited financial statements.

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Common dividends, per share declared (in dollars per share)	$ 0.3	$ 0.28
Shares withheld in net settlement upon exercise of stock options (in shares)	2,014	24,215

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
OPERATING ACTIVITIES
Net income	$ 50,026	$ 57,971
Adjustments to reconcile net income to net cash provided by operations
Deferred benefit tax	2,626	49
Provision for credit losses	4,368	4,197
Depreciation	1,099	1,071
Accretion on acquired loans	49	49
Amortization of investments in tax credit partnerships	2,837	3,345
Net (accretion) amortization of debt securities available-for-sale	(197)	128
Increase in accrued interest and dividends receivable	(2,226)	(2,078)
Stock-based compensation expense	958	808
(Decrease) Increase in accrued interest and dividends payable	(723)	1,926
Proceeds from sale of mortgage loans held for sale	37,635	16,320
Originations of mortgage loans held for sale	(39,475)	(15,922)
Gain on sale of mortgage loans held for sale	(678)	(442)
Net gain on sale of other real estate owned and repossessed assets	(95)	0
Increase in cash surrender value of life insurance contracts	(3,231)	(1,621)
Net change in other assets, liabilities, and other operating activities	500	(10,652)
Net cash provided by operating activities	53,473	55,149
INVESTMENT ACTIVITIES
Purchases of debt securities available-for-sale	(198,269)	0
Proceeds from maturities, calls and paydowns of debt securities available-for-sale	24,724	18,853
Purchases of debt securities held-to-maturity	(9,936)	0
Proceeds from maturities, calls and paydowns of debt securities held-to-maturity	124,904	11,960
Purchases of restricted equity securities	(1,074)	(12,750)
Proceeds from sale of restricted equity securities	0	13,177
Investment in tax credit partnerships and SBIC	(25)	(538)
(Increase) decrease in loans	(223,799)	56,588
Purchases of premises and equipment	(1,077)	(1,314)
Proceeds from sale of other real estate owned and repossessed assets	690	0
Net cash (used in) provided by investing activities	(283,862)	85,976
FINANCING ACTIVITIES
Net decrease in non-interest-bearing deposits	(15,462)	(422,611)
Net (decrease) increase in interest-bearing deposits	(506,601)	491,123
Net increase (decrease) in federal funds purchased	88,604	(138,638)
FHLB advances	0	300,000
Repayment of FHLB advances	0	(300,000)
Proceeds from exercise of stock options	130	846
Taxes paid in net settlement of tax obligation upon exercise of stock options	(133)	(1,716)
Dividends paid on common stock	(16,338)	(15,211)
Net cash used in financing activities	(449,800)	(86,207)
Net (decrease) increase in cash and cash equivalents	(680,189)	54,918
Cash and cash equivalents at beginning of period	2,131,088	816,053
Cash and cash equivalents at end of period	1,450,899	870,971
Cash paid for:
Interest	124,938	71,095
Income taxes	6,977	1,920
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	90	1,046
Dividends on nonvested restricted stock reclassified as compensation expense	0	41
Dividends declared	$ 16,353	$ 15,233

Note 1 - General

Note 1 - General	3 Months Ended
Note 1 - General	Mar. 31, 2024
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1 The accompanying consolidated financial statements in this report have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission, including Regulation S- X 10 not not not may 10 December 31, 2023.

Note 2 - Cash and Cash Equivale

Note 2 - Cash and Cash Equivalents	3 Months Ended
Note 2 - Cash and Cash Equivalents	Mar. 31, 2024
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	NOTE 2 Cash on hand, cash items in process of collection, amounts due from banks, and federal funds sold are included in cash and cash equivalents.

Note 3 - Earnings Per Common Sh

Note 3 - Earnings Per Common Share	3 Months Ended
Note 3 - Earnings Per Common Share	Mar. 31, 2024
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 3 Basic earnings per common share are computed by dividing net income by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under stock options. The difference in earnings per share under the two not three March 31, 2024 2023. Three Months Ended March 31, 2024 2023 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 54,491,019 54,360,253 Net income available to common stockholders $ 50,026 $ 57,971 Basic earnings per common share $ 0.92 $ 1.07 Weighted average common shares outstanding 54,491,019 54,360,253 Dilutive effects of assumed conversions and exercise of stock options and warrants 104,365 174,229 Weighted average common and dilutive potential common shares outstanding 54,595,384 54,542,899 Net income available to common stockholders $ 50,026 $ 57,971 Diluted earnings per common share $ 0.92 $ 1.06

Note 4 - Securities

Note 4 - Securities	3 Months Ended
Note 4 - Securities	Mar. 31, 2024
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 4 The amortized cost and fair value of available-for-sale and held-to-maturity securities at March 31, 2024 December 31, 2023 Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value March 31, 2024 (In Thousands) Debt Securities Available-for-Sale U.S. Treasury Securities $ 494,156 $ 10 $ (197 ) $ 493,969 Mortgage-backed securities 281,343 249 (26,677 ) 254,915 State and municipal securities 11,142 1 (1,186 ) 9,958 Corporate debt 352,684 60 (37,657 ) 315,086 Total $ 1,139,325 $ 320 $ (65,716 ) $ 1,073,929 Debt Securities Held-to-Maturity U.S. Treasury Securities $ 393,932 $ - $ (25,065 ) $ 368,868 Mortgage-backed securities 465,695 5 (56,634 ) 409,066 State and municipal securities 8,069 - (733 ) 7,336 Total $ 867,696 $ 5 $ (82,431 ) $ 785,270 December 31, 2023 Debt Securities Available-for-Sale U.S. Treasury Securities $ 340,556 $ 251 $ - $ 340,807 Mortgage-backed securities 241,458 6 (25,979 ) 215,485 State and municipal securities 11,400 1 (1,178 ) 10,223 Corporate debt 375,676 - (42,009 ) 333,667 Total $ 969,090 $ 258 $ (69,166 ) $ 900,183 Debt Securities Held-to-Maturity U.S. Treasury Securities $ 508,985 $ - $ (24,718 ) $ 484,267 Mortgage-backed securities 465,615 3 (50,025 ) 415,593 State and municipal securities 8,063 - (732 ) 7,331 Total $ 982,664 $ 3 $ (75,475 ) $ 907,191 The amortized cost and fair value of debt securities as of March 31, 2024 December 31, 2023 may may not March 31, 2024 December 31, 2023 Amortized Cost Market Value Amortized Cost Market Value (In Thousands) Debt securities available-for-sale Due within one year $ 430,857 $ 430,760 $ 350,400 $ 350,396 Due from one to five years 132,967 129,779 70,016 67,334 Due from five to ten years 291,157 256,407 304,216 264,893 Due after ten years 3,000 2,068 3,000 2,076 Mortgage-backed securities 281,343 254,915 241,458 215,485 $ 1,139,325 $ 1,073,929 $ 969,090 $ 900,183 Debt securities held-to-maturity Due within one year $ 144,940 $ 144,283 $ 260,047 $ 257,835 Due from one to five years 253,772 229,043 203,481 185,741 Due from five to ten years 3,289 2,878 53,521 48,022 Mortgage-backed securities 465,695 409,066 465,615 415,593 $ 867,696 $ 785,270 $ 982,664 $ 907,191 All mortgage-backed securities are with government-sponsored enterprises (GSEs) such as Federal National Mortgage Association, Government National Mortgage Association, Federal Home Loan Bank, and Federal Home Loan Mortgage Corporation. Restricted equity securities are comprised entirely of restricted investment in Federal Home Loan Bank stock for membership requirements. The carrying value of investment securities pledged to secure public funds on deposit and for other purposes as required by law was $1.48 billion and $1.49 billion as of March 31, 2024 December 31, 2023, The following table identifies, as of March 31, 2024 December 31, 2023, 12 12 Less Than Twelve Months Twelve Months or More Total Gross Gross Gross Unrealized Unrealized Unrealized Losses Fair Value Losses Fair Value Losses Fair Value (In Thousands) March 31, 2024 Debt Securities available-for-sale U.S. Treasury Securities $ (197 ) $ 479,762 $ - $ - $ (197 ) $ 479,762 Government Agency Securities - - - - - - Mortgage-backed securities (2 ) 161 (26,674 ) 205,195 (26,677 ) 205,356 State and municipal securities - - (1,186 ) 9,512 (1,186 ) 9,512 Corporate debt (2,392 ) 11,108 (35,265 ) 294,003 (37,657 ) 305,111 Total $ (2,591 ) $ 491,031 $ (63,125 ) $ 508,710 $ (65,716 ) $ 999,741 Debt Securities held-to-maturity U.S. Treasury Securities $ - $ - $ (25,065 ) $ 368,868 $ (25,065 ) $ 368,868 Mortgage-backed securities (162 ) 9,895 (56,471 ) 393,887 (56,634 ) 405,323 State and municipal securities - - (733 ) 7,086 (733 ) 7,086 Total $ (162 ) $ 9,895 $ (82,269 ) $ 771,382 $ (82,431 ) $ 779,735 December 31, 2023 Debt Securities available-for-sale Mortgage-backed securities $ (6 ) $ 704 $ (25,973 ) $ 214,393 $ (25,979 ) $ 215,097 State and municipal securities - - (1,178 ) 9,777 (1,178 ) 9,777 Corporate debt (794 ) 15,141 (41,214 ) 311,666 (42,009 ) 326,807 Total $ (801 ) $ 15,845 $ (68,365 ) $ 535,836 $ (69,166 ) $ 551,681 Debt Securities held-to-maturity U.S. Treasury Securities $ - $ - $ (24,718 ) $ 484,267 $ (24,718 ) $ 484,267 Mortgage-backed securities (1 ) 430 (50,024 ) 411,585 (50,025 ) 412,015 State and municipal securities - - (732 ) 7,081 (732 ) 7,081 Total $ (1 ) $ 430 $ (75,474 ) $ 902,933 $ (75,475 ) $ 903,363 At March 31, 2024 2023, not not not not may not not March 31, 2024 2023, no zero not March 31, 2024 2023. March 31, 2024 not

Note 5 - Loans

Note 5 - Loans	3 Months Ended
Note 5 - Loans	Mar. 31, 2024
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 5 LOANS The loan portfolio is classified based on the underlying collateral utilized to secure each loan for financial reporting purposes. This classification is consistent with the Quarterly Report of Condition and Income filed by ServisFirst Bank with the Federal Deposit Insurance Corporation (FDIC). Commercial, financial and agricultural - Real estate construction Owner-occupied commercial real estate mortgage 1 4 Other real estate mortgage Consumer not The following table details the Company’s loans at March 31, 2024 December 31, 2023: March 31, December 31, 2024 2023 (Dollars In Thousands) Commercial, financial and agricultural $ 2,834,102 $ 2,823,986 Real estate - construction 1,546,716 1,519,619 Real estate - mortgage: Owner-occupied commercial 2,377,042 2,257,163 1-4 family mortgage 1,284,888 1,249,938 Other mortgage 3,777,758 3,744,346 Subtotal: Real estate - mortgage 7,439,688 7,251,447 Consumer 60,190 63,777 Total Loans 11,880,696 11,658,829 Less: Allowance for credit losses (155,892 ) (153,317 ) Net Loans $ 11,724,804 $ 11,505,512 Commercial, financial and agricultural 23.85 % 24.22 % Real estate - construction 13.02 % 13.03 % Real estate - mortgage: Owner-occupied commercial 20.01 % 19.36 % 1-4 family mortgage 10.81 % 10.72 % Other mortgage 31.80 % 32.12 % Subtotal: Real estate - mortgage 62.62 % 62.20 % Consumer 0.51 % 0.55 % Total Loans 100.00 % 100.00 % The credit quality of the loan portfolio is summarized no ● Pass – loans which are well protected by the current net worth and paying capacity of the obligor (or obligors, if any) or by the fair value, less cost to acquire and sell, of any underlying collateral. ● Special Mention – loans with potential weakness that may, not not not ● Substandard – loans that exhibit well-defined weakness or weaknesses that presently jeopardize debt repayment. These loans are characterized by the distinct possibility that the institution will sustain some loss if the weaknesses are not ● Doubtful – loans that have all the weaknesses inherent in loans classified substandard, plus the added characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions, and values highly questionable and improbable. The table below presents loan balances classified by credit quality indicator, loan type and based on year of origination as of March 31, 2024: March 31, 2024 2024 2023 2022 2021 2020 Prior Revolving Revolving lines of credit converted to term loans Total (In Thousands) Commercial, financial and agricultural Pass $ 107,544 $ 316,897 $ 437,779 $ 344,676 $ 149,733 $ 234,363 $ 1,141,682 $ 430 $ 2,733,104 Special Mention 737 403 1,769 4,277 4,692 6,419 26,880 2 45,179 Substandard - accruing 501 1,364 - 385 427 27,406 5,176 - 35,259 Substandard -Non-accrual - 3,575 226 2,385 206 11,786 2,382 - 20,560 Total Commercial, financial and agricultural $ 108,782 $ 322,239 $ 439,774 $ 351,723 $ 155,058 $ 279,974 $ 1,176,120 $ 432 $ 2,834,102 Current-period gross write-offs $ - $ - $ - $ - $ - $ 1,106 $ 736 $ - $ 1,842 Real estate - construction Pass $ 48,543 $ 254,568 $ 847,543 $ 252,588 $ 50,092 $ 20,705 $ 68,975 $ - $ 1,543,014 Special Mention - 590 - - - - - - 590 Substandard - accruing - - 1,997 - - 973 - - 2,970 Substandard -Non-accrual - - 34 - - - - 108 142 Total Real estate - construction $ 48,543 $ 255,158 $ 849,574 $ 252,588 $ 50,092 $ 21,678 $ 68,975 $ 108 $ 1,546,716 Owner-occupied commercial Pass $ 80,143 $ 171,911 $ 517,845 $ 528,261 $ 290,718 $ 669,803 $ 58,928 $ 834 $ 2,318,443 Special Mention - 5,359 8,785 792 8,279 15,957 - - 39,172 Substandard - accruing - 1,333 - 6,847 - 2,506 - - 10,686 Substandard -Non-accrual - - - - - 8,741 - - 8,741 Total Owner-occupied commercial $ 80,143 $ 178,603 $ 526,630 $ 535,900 $ 298,997 $ 697,007 $ 58,928 $ 834 $ 2,377,042 1-4 family mortgage Pass $ 61,318 $ 155,581 $ 369,024 $ 220,533 $ 77,073 $ 97,362 $ 289,012 $ - $ 1,269,903 Special Mention - 709 428 2,269 764 4,862 905 - 9,937 Substandard - accruing - - - - - 424 117 - 541 Substandard -Non-accrual - 156 433 1,000 643 1,475 800 - 4,507 Total 1-4 family mortgage $ 61,318 $ 156,446 $ 369,885 $ 223,802 $ 78,480 $ 104,123 $ 290,834 $ - $ 1,284,888 Current-period gross write-offs $ - $ - $ - $ 62 $ - $ - $ 5 $ - $ 67 Other mortgage Pass $ 82,631 $ 156,951 $ 1,129,986 $ 1,090,507 $ 429,593 $ 774,646 $ 91,073 $ 247 $ 3,755,634 Special Mention - - 5,034 - - 751 - - 5,785 Substandard - accruing - - 4,958 660 - 10,215 - - 15,833 Substandard -Non-accrual - - - - - 506 - - 506 Total Other mortgage $ 82,631 $ 156,951 $ 1,139,978 $ 1,091,167 $ 429,593 $ 786,118 $ 91,073 $ 247 $ 3,777,758 Consumer Pass $ 1,102 $ 21,705 $ 3,467 $ 4,377 $ 1,662 $ 3,849 $ 24,028 $ - $ 60,190 Special Mention - - - - - - - - - Substandard - accruing - - - - - - - - - Total Consumer $ 1,102 $ 21,705 $ 3,467 $ 4,377 $ 1,662 $ 3,849 $ 24,028 $ - $ 60,190 Current-period gross write-offs $ - $ 8 $ - $ - $ - $ - $ 90 $ - $ 98 Total Loans Pass $ 381,281 $ 1,077,613 $ 3,305,644 $ 2,440,942 $ 998,871 $ 1,800,728 $ 1,673,698 $ 1,511 $ 11,680,288 Special Mention 737 7,061 16,016 7,338 13,735 27,989 27,785 2 100,663 Substandard - accruing 501 2,697 6,955 7,892 427 41,524 5,293 - 65,289 Substandard -Non-accrual - 3,731 693 3,385 849 22,508 3,182 108 34,456 Total Loans $ 382,519 $ 1,091,102 $ 3,329,308 $ 2,459,557 $ 1,013,882 $ 1,892,749 $ 1,709,958 $ 1,621 $ 11,880,696 Current-period gross write-offs $ - $ 8 $ - $ 62 $ - $ 1,106 $ 831 $ - $ 2,007 Loans by credit quality indicator, loan type and based on year of origination as of December 31, 2023 December 31, 2023 2023 2022 2021 2020 2019 Prior Revolving Revolving lines of credit converted to term loans Total (In Thousands) Commercial, financial and agricultural Pass $ 341,335 $ 455,281 $ 354,034 $ 162,543 $ 100,032 $ 151,527 $ 1,161,324 $ 491 $ 2,726,567 Special Mention 4,275 1,982 5,105 5,765 1,320 3,549 21,769 7 43,772 Substandard - accruing 1,410 - 2,830 368 9,501 27,962 4,360 - 46,431 Substandard -Non-accrual - 2 767 206 - 3,336 2,905 - 7,216 Total Commercial, financial and agricultural $ 347,020 $ 457,265 $ 362,736 $ 168,882 $ 110,853 $ 186,374 $ 1,190,358 $ 498 $ 2,823,986 Current-period gross write-offs $ 1,213 $ 4,690 $ 2,531 $ 779 $ 4 $ 2,014 $ 1,998 $ - $ 13,229 Real estate - construction Pass $ 216,745 $ 874,903 $ 283,012 $ 49,668 $ 4,866 $ 16,558 $ 72,156 $ - $ 1,517,908 Special Mention 589 - - - - - - - 589 Substandard - accruing - 33 - - - 978 - - 1,011 Substandard -Non-accrual - - - - - - - 111 111 Total Real estate - construction $ 217,334 $ 874,936 $ 283,012 $ 49,668 $ 4,866 $ 17,536 $ 72,156 $ 111 $ 1,519,619 Current-period gross write-offs $ - $ - $ 19 $ - $ - $ - $ - $ 89 $ 108 Owner-occupied commercial Pass $ 148,915 $ 478,364 $ 517,667 $ 300,978 $ 181,864 $ 512,752 $ 64,170 $ 844 $ 2,205,554 Special Mention 5,369 1,411 7,705 8,317 8,530 7,539 - - 38,871 Substandard - accruing 1,358 - - - - 4,292 - - 5,650 Substandard -Non-accrual - - - - 2,329 4,759 - - 7,088 Total Owner-occupied commercial $ 155,642 $ 479,775 $ 525,372 $ 309,295 $ 192,723 $ 529,342 $ 64,170 $ 844 $ 2,257,163 Current-period gross write-offs $ - $ - $ - $ - $ 117 $ - $ - $ - $ 117 1-4 family mortgage Pass $ 166,927 $ 376,964 $ 228,183 $ 75,104 $ 40,697 $ 61,046 $ 286,066 $ - $ 1,234,987 Special Mention 574 721 2,504 1,009 3,865 439 727 - 9,839 Substandard - accruing - - - - - 425 261 - 686 Substandard -Non-accrual 155 380 741 572 877 901 800 - 4,426 Total 1-4 family mortgage $ 167,656 $ 378,065 $ 231,428 $ 76,685 $ 45,439 $ 62,811 $ 287,854 $ - $ 1,249,938 Current-period gross write-offs $ - $ 40 $ - $ - $ - $ 14 $ - $ - $ 54 Other mortgage Pass $ 162,418 $ 1,119,609 $ 1,106,055 $ 448,781 $ 249,059 $ 540,325 $ 100,516 $ 247 $ 3,727,010 Special Mention - - - - - - 850 - 850 Substandard - accruing - 4,975 - - - 11,005 - - 15,980 Substandard -Non-accrual - - - - 130 376 - - 506 Total Other mortgage $ 162,418 $ 1,124,584 $ 1,106,055 $ 448,781 $ 249,189 $ 551,706 $ 101,366 $ 247 $ 3,744,346 Current-period gross write-offs $ - $ - $ - $ - $ - $ - $ - $ - $ - Consumer Pass $ 22,227 $ 3,890 $ 4,542 $ 1,794 $ 1,295 $ 2,687 $ 27,342 $ - $ 63,777 Special Mention - - - - - - - - - Substandard - accruing - - - - - - - - - Substandard -Non-accrual - - - - - - - - - Total Consumer $ 22,227 $ 3,890 $ 4,542 $ 1,794 $ 1,295 $ 2,687 $ 27,342 $ - $ 63,777 Current-period gross write-offs $ - $ - $ - $ - $ 4 $ 49 $ 1,020 $ - $ 1,073 Total Loans Pass $ 1,058,567 $ 3,309,011 $ 2,493,493 $ 1,038,868 $ 577,813 $ 1,284,895 $ 1,711,574 $ 1,582 $ 11,475,803 Special Mention 10,807 4,114 15,314 15,091 13,715 11,527 23,346 7 93,921 Substandard - accruing 2,768 5,008 2,830 368 9,501 44,662 4,621 - 69,758 Substandard -Non-accrual 155 382 1,508 778 3,336 9,372 3,705 111 19,347 Total Loans $ 1,072,297 $ 3,318,515 $ 2,513,145 $ 1,055,105 $ 604,365 $ 1,350,456 $ 1,743,246 $ 1,700 $ 11,658,829 Current-period gross write-offs $ 1,213 $ 4,730 $ 2,550 $ 779 $ 125 $ 2,077 $ 3,018 $ 89 $ 14,581 Loans by performance status as of March 31, 2024 December 31, 2023 March 31, 2024 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,813,190 $ 20,912 $ 2,834,102 Real estate - construction 1,546,574 142 1,546,716 Real estate - mortgage: Owner-occupied commercial 2,368,301 8,741 2,377,042 1-4 family mortgage 1,280,381 4,507 1,284,888 Other mortgage 3,777,252 506 3,777,758 Total real estate - mortgage 7,425,934 13,754 7,439,688 Consumer 60,161 29 60,190 Total $ 11,845,859 $ 34,837 $ 11,880,696 December 31, 2023 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,816,599 $ 7,387 $ 2,823,986 Real estate - construction 1,519,508 111 1,519,619 Real estate - mortgage: Owner-occupied commercial 2,250,074 7,089 2,257,163 1-4 family mortgage 1,243,603 6,335 1,249,938 Other mortgage 3,743,840 506 3,744,346 Total real estate - mortgage 7,237,517 13,930 7,251,447 Consumer 63,672 105 63,777 Total $ 11,637,296 $ 21,533 $ 11,658,829 Loans by past due status as of March 31, 2024 December 31, 2023 March 31, 2024 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 9,962 $ 444 $ 351 $ 10,757 $ 20,561 $ 2,802,784 $ 2,834,102 $ 4,479 Real estate - construction - - - - 142 1,546,574 1,546,716 142 Real estate - mortgage: Owner-occupied commercial 1,241 103 - 1,344 8,741 2,366,957 2,377,042 6,939 1-4 family mortgage 3,623 951 - 4,574 4,507 1,275,807 1,284,888 1,199 Other mortgage - - - - 506 3,777,252 3,777,758 506 Total real estate - mortgage 4,864 1,054 - 5,918 13,754 7,420,016 7,439,688 8,644 Consumer 115 74 29 218 - 59,972 60,190 - Total $ 14,941 $ 1,572 $ 380 $ 16,893 $ 34,457 $ 11,829,346 $ 11,880,696 $ 13,265 December 31, 2023 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 3,418 $ 3,718 $ 170 $ 7,306 $ 7,217 $ 2,809,463 2,823,986 $ 5,028 Real estate - construction - 34 - 34 111 1,519,474 1,519,619 - Real estate - mortgage: Owner-occupied commercial - - - - 7,089 2,250,074 2,257,163 7,089 1-4 family mortgage 540 4,920 1,909 7,369 4,426 1,238,143 1,249,938 1,224 Other mortgage 676 10,703 - 11,379 506 3,732,461 3,744,346 506 Total real estate - mortgage 1,216 15,623 1,909 18,748 12,021 7,220,678 7,251,447 8,819 Consumer 58 31 105 194 - 63,583 63,777 - Total $ 4,692 $ 19,406 $ 2,184 $ 26,282 $ 19,349 $ 11,613,198 11,658,829 $ 13,847 Under the current expected credit losses (“CECL”) methodology, the ACL is measured on a collective basis for pools of loans with similar risk characteristics. For loans that do not not The Company uses the discounted cash flow (“DCF”) method to estimate ACL for all loan pools except for commercial revolving lines of credit and credit cards. For all loan pools utilizing the DCF method, the Company utilizes and forecasts national unemployment rate as a loss driver. The Company also utilizes and forecasts GDP growth as a second March 31, 2024 December 31, 2023, twelve six December 31, 2023 The Company uses a loss-rate method to estimate expected credit losses for its commercial revolving lines of credit and credit card pools. The commercial revolving lines of credit pool incorporates a probability of default (“PD”) and loss given default (“LGD”) modeling approach. This approach involves estimating the pool average life and then using historical correlations of default and loss experience over time to calculate the lifetime PD and LGD. These two Each loan pool is adjusted for qualitative factors not Inherent risks in the loan portfolio will differ based on type of loan. Specific risk characteristics by loan portfolio segment are listed below: Commercial and industrial loans may may Real estate construction loans Real estate mortgage loans may Consumer loans The following table presents changes in the ACL, segregated by loan type, for the three March 31, 2024 March 31, 2023. Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended March 31, 2024 Allowance for credit losses: Balance at December 31, 2023 $ 52,121 $ 44,658 $ 55,126 $ 1,412 $ 153,317 Charge-offs (1,842 ) - (67 ) (98 ) (2,007 ) Recoveries 199 - 6 9 214 Provision 544 1,031 2,575 218 4,368 Balance at March 31, 2024 $ 51,022 $ 45,689 $ 57,640 $ 1,541 $ 155,892 Three Months Ended March 31, 2023 Allowance for credit losses: Balance at December 31, 2022 $ 42,830 $ 42,889 $ 58,652 $ 1,926 $ 146,297 Charge-offs (1,257 ) - (26 ) (390 ) (1,673 ) Recoveries 128 3 1 11 143 Provision 1,193 (2,409 ) 4,530 883 4,197 Balance at March 31, 2023 $ 42,894 $ 40,483 $ 63,157 $ 2,430 $ 148,964 We maintain an ACL on unfunded commercial lending commitments and letters of credit to provide for the risk of loss inherent in these arrangements. The ACL is computed using a methodology similar to that used to determine the ACL for loans, modified to take into account the probability of a drawdown on the commitment. The ACL on unfunded loan commitments is classified as a liability account on the Consolidated Balance Sheets within other liabilities, while the corresponding provision for these credit losses is recorded as a component of other expense. The ACL on unfunded commitments was $742,000 at March 31, 2024 December 31, 2023. three March 31, 2024 2023 zero Loans that no Accounts ACL March 31, 2024 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 18,467 $ 3,834 $ 3,673 $ 29,841 $ 55,815 $ 15,495 Real estate - construction 2,142 - - 972 3,114 - Real estate - mortgage: Owner-occupied commercial 19,476 - - - 19,476 241 1-4 family mortgage 15,542 - - - 15,542 1,580 Other mortgage 5,808 - - - 5,808 568 Total real estate - mortgage 40,826 - - - 40,826 2,389 Consumer - - - - - - Total $ 61,435 $ 3,834 $ 3,673 $ 30,813 $ 99,755 $ 17,884 Accounts ACL December 31, 2023 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 20,266 $ 7,240 $ 2,126 $ 24,016 $ 53,648 $ 16,189 Real estate - construction 145 - - 978 1,123 1 Real estate - mortgage: Owner-occupied commercial 12,038 - - 698 12,736 475 1-4 family mortgage 15,694 - - - 15,694 1,058 Other mortgage 5,062 - - 800 5,862 603 Total real estate - mortgage 32,794 - - 1,498 34,292 2,136 Consumer - - - - - - Total $ 53,205 $ 7,240 $ 2,126 $ 26,492 $ 89,063 $ 18,326 The table below details the amortized cost basis at the end of the reporting period for loans made to borrowers experiencing financial difficulty that were modified during the three March 31, 2024 2023: Three Months Ended March 31, 2024 Payment Deferral Term and Term Percentage of Extensions Extensions Total Total Loans (In Thousands) Commercial, financial and agricultural $ 5,568 $ - $ 5,568 0.05 % Real estate - construction 973 - 973 0.01 % Owner-occupied commercial 1,501 - 1,501 0.01 % 1-4 family mortgage 424 - 424 - % Other mortgage 9,913 - 9,913 0.08 % Total $ 18,379 $ - $ 18,379 0.15 % Three Months Ended March 31, 2023 Payment Deferral Term and Term Percentage of Extensions Extensions Total Total Loans (In Thousands) Commercial, financial and agricultural $ 28,335 $ - $ 28,335 0.24 % Owner-occupied commercial 23 701 724 0.01 % 1-4 family mortgage 214 - 214 - % Other mortgage 11,254 359 11,613 0.10 % Total $ 39,827 $ 1,060 $ 40,886 0.35 % The following table summarizes the financial impacts of loan modifications made to borrowers experiencing financial difficulty during the three March 31, 2024 2023: Three Months Ended March 31, 2024 Total Payment Term Extensions Deferral (In months) (In Thousands) Commercial, financial and agricultural 1 to 6 $ - Real estate - construction 12 - Owner-occupied commercial 12 - 1-4 family mortgage 12 - Other mortgage 11 - Three Months Ended March 31, 2023 Total Payment Term Extensions Deferral (In months) (In Thousands) Commercial, financial and agricultural 3 to 12 $ - Real estate - construction 6 - Owner-occupied commercial 3 to 18 49 1-4 family mortgage 3 - Other mortgage 3 to 36 59 No March 31, 2023, 30 March 31, 2024. As of March 31, 2024, not first 2024 90

Note 6 - Leases

Note 6 - Leases	3 Months Ended
Note 6 - Leases	Mar. 31, 2024
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	NOTE 6 LEASES The Company leases space under non-cancelable operating leases for several of its banking offices and certain office equipment. The leases have remaining terms up to 15 years. At March 31, 2024, December 31, 2023, Maturities of operating lease liabilities are as follows: March 31, 2024 (In Thousands) 2024 (remaining) $ 3,872 2025 4,933 2026 4,106 2027 3,537 2028 2,684 thereafter 11,901 Total lease payments 31,033 Less: imputed interest (4,689 ) Present value of operating lease liabilities $ 26,344 As of March 31, 2024, Operating cash flows related to leases were $1.4 million and $1.2 million for the three March 31, 2024 2023, Lease costs during the three March 31, 2024 2023 Three Months Ended March 31, 2024 2023 Operating lease cost $ 1,393 $ 1,230 Variable lease cost 216 191 Sublease income (5 ) (8 ) Net lease cost $ 1,604 $ 1,413

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	3 Months Ended
Note 7 - Employee and Director Benefits	Mar. 31, 2024
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	NOTE 7 Stock Incentive Plan At March 31, 2024, three March 31, 2024 2023, The Company’s 2009 ten The Company estimates the fair value of each stock option award using a Black-Scholes-Merton valuation model. Expected volatilities are based on the Company’s trading price history. The expected term for options granted is based on the short-cut method and represents the period of time that options granted are expected to be outstanding. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant. There were no grants of stock options during first 2024 2023. The following table summarizes stock option activity during the three March 31, 2024 2023: Weighted Weighted Average Average Remaining Exercise Contractual Aggregate Shares Price Term (years) Intrinsic Value (In Thousands) Three Months Ended March 31, 2024: Outstanding January 1, 2024 165,800 $ 24.35 2.9 $ 7,211 Exercised (8,300 ) 15.74 0.9 420 Outstanding March 31, 2024 157,500 $ 24.80 2.7 $ 6,744 Exercisable March 31, 2024 140,000 $ 22.63 2.1 $ 6,122 Three Months Ended March 31, 2023: Outstanding January 1, 2023 280,000 $ 19.43 3.0 $ 14,088 Exercised (75,000 ) 10.80 0.9 3,288 Outstanding March 31, 2023 205,000 $ 22.59 3.4 $ 7,428 Exercisable March 31, 2023 152,000 $ 17.28 2.2 $ 5,859 As of March 31, 2024, six Restricted Stock and Performance Shares The Company periodically grants restricted stock awards that vest upon time-based service conditions. Dividend payments are made during the vesting period. The value of restricted stock is determined to be the current value of the Company’s stock, and this total value will be recognized as compensation expense over the vesting period. As of March 31, 2024, The Company periodically grants performance shares that give plan participants the opportunity to earn between 0% and 150% of the number of performance shares granted based on achieving certain performance metrics. The number of performance shares earned is determined by reference to the Company’s total shareholder return relative to a peer group of other publicly traded banks and bank holding companies during the performance period. The performance period is generally three January 1 st March 31, 2024, March 31, 2024, Restricted Stock Performance Shares Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value Three Months Ended March 31, 2024: Non-vested at January 1, 2024 158,298 $ 58.08 31,944 $ 58.25 Granted 21,835 67.12 8,894 67.90 Additional performance share attainment - - 6,216 68.18 Vested (25,107 ) 48.19 (18,653 ) 37.05 Forfeited (576 ) 71.43 - - Non-vested at March 31, 2024 154,450 $ 60.92 28,401 $ 77.37 Three Months Ended March 31, 2023: Non-vested at January 1, 2023 141,580 $ 56.39 23,852 $ 54.16 Granted 27,258 69.83 8,091 70.29 Vested (17,521 ) 48.32 - - Forfeited (6,545 ) 69.90 - - Non-vested at March 31, 2023 144,772 $ 59.29 31,943 $ 58.25

Note 8 - Derivatives

Note 8 - Derivatives	3 Months Ended
Note 8 - Derivatives	Mar. 31, 2024
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	NOTE 8 The Company periodically enters into derivative contracts to manage exposures to movements in interest rates. The Company purchased an interest rate cap in May 2020 not three one one March 31, 2023, May 4, 2023. The Company has entered into forward loan sale commitments with secondary market investors to deliver loans on a “best efforts delivery” basis, which do not 30 not no March 31, 2024 December 31, 2023 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	3 Months Ended
Note 9 - Recently Adopted Accounting Pronouncements	Mar. 31, 2024
Notes to Financial Statements
New Adopted Accounting Pronouncements [Text Block]	NOTE 9 RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS In March 2023, 2023 02, Investments-Equity Method and Joint Ventures (Topic 323 The amendments in this update permit reporting entities to elect to account for certain tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the income tax benefits in the income statement as a component of income tax expense (benefit). To qualify for the proportional amortization method, all of the following conditions must be met: (i) It is probable that the income tax credits allocated to the tax equity investor will be available; (ii) The tax equity investor does not This ASU is effective for fiscal years beginning after December 15, 2023, January 1, 2024 not

Note 10 - Recent Accounting Pro

Note 10 - Recent Accounting Pronouncements	3 Months Ended
Note 10 - Recent Accounting Pronouncements	Mar. 31, 2024
Notes to Financial Statements
Accounting Standards Update and Change in Accounting Principle [Text Block]	NOTE 10 RECENT ACCOUNTING PRONOUNCEMENTS In December 2023, No. 2023 09, Income Taxes (Topic 740 2023 09 January 1, 2025. In November 2023, 2023 07, Segment Reporting Improvements to Reportable Segment Disclosures. 280. December 15, 2023, December 31, 2024. not

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurement	3 Months Ended
Note 11 - Fair Value Measurement	Mar. 31, 2024
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 11 Measurement of fair value under U.S. GAAP establishes a hierarchy that prioritizes observable and unobservable inputs used to measure fair value, as of the measurement date, into three Level 1: Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 Level 2: Observable prices that are based on inputs not Level 3: Unobservable inputs are used when little or no 3 In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible and also considers counterparty credit risk in its assessment of fair value. Debt Securities. 1 1 not may 2 1 2 not 3 Derivative instruments. 2 Loans Individually Evaluated. not not 820 10 3 March 31, 2024 December 31, 2023 three March 31, 2024, three March 31, 2023. Other Real Estate Owned not March 31, 2024 December 31, 2023 3 $95,000 three March 31, 2024, three March 31, 2023. 3 There were four March 31, 2024 three December 31, 2023. Three residential real estate loans for $547,000 were in the process of foreclosure as of March 31, 2024. three December 31, 2023. The following table presents the Company’s financial assets carried at fair value on a recurring basis as of March 31, 2024 December 31, 2023. March 31, 2024 December 31, 2023. Fair Value Measurements at March 31, 2024 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ 493,969 $ - $ - $ 493,969 Mortgage-backed securities - 254,915 - 254,915 State and municipal securities - 9,958 - 9,958 Corporate debt - 315,086 - 315,086 Total available-for-sale debt securities 493,969 579,959 - 1,073,929 Total assets at fair value $ 493,969 $ 579,959 $ - $ 1,073,929 Fair Value Measurements at December 31, 2023 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ 340,807 $ - $ - $ 340,807 Mortgage-backed securities - 215,485 - 215,485 State and municipal securities - 10,223 - 10,223 Corporate debt - 326,808 6,860 333,668 Total available-for-sale debt securities 340,807 552,516 6,860 900,183 Total assets at fair value $ 340,807 $ 552,516 $ 6,860 $ 900,183 The following table presents the Company’s financial assets carried at fair value on a nonrecurring basis as of March 31, 2024 December 31, 2023. March 31, 2024 December 31, 2023. Fair Value Measurements at March 31, 2024 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 81,871 $ 81,871 Other real estate owned and repossessed assets - - 490 490 Total assets at fair value $ - $ - $ 82,361 $ 82,361 Fair Value Measurements at December 31, 2023 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 70,735 $ 70,735 Other real estate owned - - 995 995 Total assets at fair value $ - $ - $ 71,730 $ 71,730 There were no liabilities measured at fair value on a non-recurring basis as of March 31, 2024 December 31, 2023. In the case of the debt securities portfolio, the Company monitors the portfolio to ascertain when transfers between levels have been affected. For the three March 31, 2024, two 3 2. The table below includes a roll forward of the balance sheet amounts for the period ended March 31, 2024 March 31, 2023 ( 3 For the period ended March 31, 2024 2023 Available-for-sale Securities Available-for-sale Securities (In Thousands) Fair value, beginning of period $ 6,860 $ 10,860 Transfers into Level 3 - - Total realized gains included in income - - Changes in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at period-end (1,329 ) 160 Purchases - - Transfers out of Level 3 (5,531 ) (4,160 ) Fair value, end of period $ - $ 6,860 The fair value of a financial instrument is the current amount that would be exchanged in a sale between willing parties, other than in a forced liquidation. Fair value is best determined based upon quoted market prices. However, in many instances, there are no not may not may not The estimated fair values of the Company’s financial instruments not March 31, 2024 December 31, 2023 March 31, 2024 December 31, 2023 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 Inputs: Cash and cash equivalents $ 1,280,274 $ 1,280,274 $ 2,030,513 $ 2,030,513 Held to maturity U.S. Treasury securities 393,932 368,868 508,985 484,267 Level 2 Inputs: Federal funds sold 170,625 170,625 100,575 100,575 Held to maturity debt securities 473,514 416,152 473,429 422,674 Mortgage loans held for sale 7,592 7,592 5,071 5,071 Restricted equity securities 11,300 11,300 10,226 10,226 Level 3 Inputs: Held to maturity debt securities 250 250 250 250 Loans, net 11,642,933 11,195,399 11,505,512 11,032,819 Financial Liabilities: Level 2 Inputs: Deposits $ 12,751,448 $ 12,743,505 $ 13,273,511 $ 13,266,640 Federal funds purchased 1,345,328 1,345,328 1,256,724 1,256,724 Other borrowings 64,737 58,337 64,735 58,083

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]	ITEM 5. None.
Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	3 Months Ended
Note 3 - Earnings Per Common Share (Tables)	Mar. 31, 2024
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended March 31, 2024 2023 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 54,491,019 54,360,253 Net income available to common stockholders $ 50,026 $ 57,971 Basic earnings per common share $ 0.92 $ 1.07 Weighted average common shares outstanding 54,491,019 54,360,253 Dilutive effects of assumed conversions and exercise of stock options and warrants 104,365 174,229 Weighted average common and dilutive potential common shares outstanding 54,595,384 54,542,899 Net income available to common stockholders $ 50,026 $ 57,971 Diluted earnings per common share $ 0.92 $ 1.06

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	3 Months Ended
Note 4 - Securities (Tables)	Mar. 31, 2024
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value March 31, 2024 (In Thousands) Debt Securities Available-for-Sale U.S. Treasury Securities $ 494,156 $ 10 $ (197 ) $ 493,969 Mortgage-backed securities 281,343 249 (26,677 ) 254,915 State and municipal securities 11,142 1 (1,186 ) 9,958 Corporate debt 352,684 60 (37,657 ) 315,086 Total $ 1,139,325 $ 320 $ (65,716 ) $ 1,073,929 Debt Securities Held-to-Maturity U.S. Treasury Securities $ 393,932 $ - $ (25,065 ) $ 368,868 Mortgage-backed securities 465,695 5 (56,634 ) 409,066 State and municipal securities 8,069 - (733 ) 7,336 Total $ 867,696 $ 5 $ (82,431 ) $ 785,270 December 31, 2023 Debt Securities Available-for-Sale U.S. Treasury Securities $ 340,556 $ 251 $ - $ 340,807 Mortgage-backed securities 241,458 6 (25,979 ) 215,485 State and municipal securities 11,400 1 (1,178 ) 10,223 Corporate debt 375,676 - (42,009 ) 333,667 Total $ 969,090 $ 258 $ (69,166 ) $ 900,183 Debt Securities Held-to-Maturity U.S. Treasury Securities $ 508,985 $ - $ (24,718 ) $ 484,267 Mortgage-backed securities 465,615 3 (50,025 ) 415,593 State and municipal securities 8,063 - (732 ) 7,331 Total $ 982,664 $ 3 $ (75,475 ) $ 907,191
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	March 31, 2024 December 31, 2023 Amortized Cost Market Value Amortized Cost Market Value (In Thousands) Debt securities available-for-sale Due within one year $ 430,857 $ 430,760 $ 350,400 $ 350,396 Due from one to five years 132,967 129,779 70,016 67,334 Due from five to ten years 291,157 256,407 304,216 264,893 Due after ten years 3,000 2,068 3,000 2,076 Mortgage-backed securities 281,343 254,915 241,458 215,485 $ 1,139,325 $ 1,073,929 $ 969,090 $ 900,183 Debt securities held-to-maturity Due within one year $ 144,940 $ 144,283 $ 260,047 $ 257,835 Due from one to five years 253,772 229,043 203,481 185,741 Due from five to ten years 3,289 2,878 53,521 48,022 Mortgage-backed securities 465,695 409,066 465,615 415,593 $ 867,696 $ 785,270 $ 982,664 $ 907,191
Gain (Loss) on Securities [Table Text Block]	Less Than Twelve Months Twelve Months or More Total Gross Gross Gross Unrealized Unrealized Unrealized Losses Fair Value Losses Fair Value Losses Fair Value (In Thousands) March 31, 2024 Debt Securities available-for-sale U.S. Treasury Securities $ (197 ) $ 479,762 $ - $ - $ (197 ) $ 479,762 Government Agency Securities - - - - - - Mortgage-backed securities (2 ) 161 (26,674 ) 205,195 (26,677 ) 205,356 State and municipal securities - - (1,186 ) 9,512 (1,186 ) 9,512 Corporate debt (2,392 ) 11,108 (35,265 ) 294,003 (37,657 ) 305,111 Total $ (2,591 ) $ 491,031 $ (63,125 ) $ 508,710 $ (65,716 ) $ 999,741 Debt Securities held-to-maturity U.S. Treasury Securities $ - $ - $ (25,065 ) $ 368,868 $ (25,065 ) $ 368,868 Mortgage-backed securities (162 ) 9,895 (56,471 ) 393,887 (56,634 ) 405,323 State and municipal securities - - (733 ) 7,086 (733 ) 7,086 Total $ (162 ) $ 9,895 $ (82,269 ) $ 771,382 $ (82,431 ) $ 779,735 December 31, 2023 Debt Securities available-for-sale Mortgage-backed securities $ (6 ) $ 704 $ (25,973 ) $ 214,393 $ (25,979 ) $ 215,097 State and municipal securities - - (1,178 ) 9,777 (1,178 ) 9,777 Corporate debt (794 ) 15,141 (41,214 ) 311,666 (42,009 ) 326,807 Total $ (801 ) $ 15,845 $ (68,365 ) $ 535,836 $ (69,166 ) $ 551,681 Debt Securities held-to-maturity U.S. Treasury Securities $ - $ - $ (24,718 ) $ 484,267 $ (24,718 ) $ 484,267 Mortgage-backed securities (1 ) 430 (50,024 ) 411,585 (50,025 ) 412,015 State and municipal securities - - (732 ) 7,081 (732 ) 7,081 Total $ (1 ) $ 430 $ (75,474 ) $ 902,933 $ (75,475 ) $ 903,363

Note 5 - Loans (Tables)

Note 5 - Loans (Tables)	3 Months Ended
Note 5 - Loans (Tables)	Mar. 31, 2024
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	March 31, December 31, 2024 2023 (Dollars In Thousands) Commercial, financial and agricultural $ 2,834,102 $ 2,823,986 Real estate - construction 1,546,716 1,519,619 Real estate - mortgage: Owner-occupied commercial 2,377,042 2,257,163 1-4 family mortgage 1,284,888 1,249,938 Other mortgage 3,777,758 3,744,346 Subtotal: Real estate - mortgage 7,439,688 7,251,447 Consumer 60,190 63,777 Total Loans 11,880,696 11,658,829 Less: Allowance for credit losses (155,892 ) (153,317 ) Net Loans $ 11,724,804 $ 11,505,512 Commercial, financial and agricultural 23.85 % 24.22 % Real estate - construction 13.02 % 13.03 % Real estate - mortgage: Owner-occupied commercial 20.01 % 19.36 % 1-4 family mortgage 10.81 % 10.72 % Other mortgage 31.80 % 32.12 % Subtotal: Real estate - mortgage 62.62 % 62.20 % Consumer 0.51 % 0.55 % Total Loans 100.00 % 100.00 %
Financing Receivable Based on Year of Origination [Table Text Block]	March 31, 2024 2024 2023 2022 2021 2020 Prior Revolving Revolving lines of credit converted to term loans Total (In Thousands) Commercial, financial and agricultural Pass $ 107,544 $ 316,897 $ 437,779 $ 344,676 $ 149,733 $ 234,363 $ 1,141,682 $ 430 $ 2,733,104 Special Mention 737 403 1,769 4,277 4,692 6,419 26,880 2 45,179 Substandard - accruing 501 1,364 - 385 427 27,406 5,176 - 35,259 Substandard -Non-accrual - 3,575 226 2,385 206 11,786 2,382 - 20,560 Total Commercial, financial and agricultural $ 108,782 $ 322,239 $ 439,774 $ 351,723 $ 155,058 $ 279,974 $ 1,176,120 $ 432 $ 2,834,102 Current-period gross write-offs $ - $ - $ - $ - $ - $ 1,106 $ 736 $ - $ 1,842 Real estate - construction Pass $ 48,543 $ 254,568 $ 847,543 $ 252,588 $ 50,092 $ 20,705 $ 68,975 $ - $ 1,543,014 Special Mention - 590 - - - - - - 590 Substandard - accruing - - 1,997 - - 973 - - 2,970 Substandard -Non-accrual - - 34 - - - - 108 142 Total Real estate - construction $ 48,543 $ 255,158 $ 849,574 $ 252,588 $ 50,092 $ 21,678 $ 68,975 $ 108 $ 1,546,716 Owner-occupied commercial Pass $ 80,143 $ 171,911 $ 517,845 $ 528,261 $ 290,718 $ 669,803 $ 58,928 $ 834 $ 2,318,443 Special Mention - 5,359 8,785 792 8,279 15,957 - - 39,172 Substandard - accruing - 1,333 - 6,847 - 2,506 - - 10,686 Substandard -Non-accrual - - - - - 8,741 - - 8,741 Total Owner-occupied commercial $ 80,143 $ 178,603 $ 526,630 $ 535,900 $ 298,997 $ 697,007 $ 58,928 $ 834 $ 2,377,042 1-4 family mortgage Pass $ 61,318 $ 155,581 $ 369,024 $ 220,533 $ 77,073 $ 97,362 $ 289,012 $ - $ 1,269,903 Special Mention - 709 428 2,269 764 4,862 905 - 9,937 Substandard - accruing - - - - - 424 117 - 541 Substandard -Non-accrual - 156 433 1,000 643 1,475 800 - 4,507 Total 1-4 family mortgage $ 61,318 $ 156,446 $ 369,885 $ 223,802 $ 78,480 $ 104,123 $ 290,834 $ - $ 1,284,888 Current-period gross write-offs $ - $ - $ - $ 62 $ - $ - $ 5 $ - $ 67 Other mortgage Pass $ 82,631 $ 156,951 $ 1,129,986 $ 1,090,507 $ 429,593 $ 774,646 $ 91,073 $ 247 $ 3,755,634 Special Mention - - 5,034 - - 751 - - 5,785 Substandard - accruing - - 4,958 660 - 10,215 - - 15,833 Substandard -Non-accrual - - - - - 506 - - 506 Total Other mortgage $ 82,631 $ 156,951 $ 1,139,978 $ 1,091,167 $ 429,593 $ 786,118 $ 91,073 $ 247 $ 3,777,758 Consumer Pass $ 1,102 $ 21,705 $ 3,467 $ 4,377 $ 1,662 $ 3,849 $ 24,028 $ - $ 60,190 Special Mention - - - - - - - - - Substandard - accruing - - - - - - - - - Total Consumer $ 1,102 $ 21,705 $ 3,467 $ 4,377 $ 1,662 $ 3,849 $ 24,028 $ - $ 60,190 Current-period gross write-offs $ - $ 8 $ - $ - $ - $ - $ 90 $ - $ 98 Total Loans Pass $ 381,281 $ 1,077,613 $ 3,305,644 $ 2,440,942 $ 998,871 $ 1,800,728 $ 1,673,698 $ 1,511 $ 11,680,288 Special Mention 737 7,061 16,016 7,338 13,735 27,989 27,785 2 100,663 Substandard - accruing 501 2,697 6,955 7,892 427 41,524 5,293 - 65,289 Substandard -Non-accrual - 3,731 693 3,385 849 22,508 3,182 108 34,456 Total Loans $ 382,519 $ 1,091,102 $ 3,329,308 $ 2,459,557 $ 1,013,882 $ 1,892,749 $ 1,709,958 $ 1,621 $ 11,880,696 Current-period gross write-offs $ - $ 8 $ - $ 62 $ - $ 1,106 $ 831 $ - $ 2,007 December 31, 2023 2023 2022 2021 2020 2019 Prior Revolving Revolving lines of credit converted to term loans Total (In Thousands) Commercial, financial and agricultural Pass $ 341,335 $ 455,281 $ 354,034 $ 162,543 $ 100,032 $ 151,527 $ 1,161,324 $ 491 $ 2,726,567 Special Mention 4,275 1,982 5,105 5,765 1,320 3,549 21,769 7 43,772 Substandard - accruing 1,410 - 2,830 368 9,501 27,962 4,360 - 46,431 Substandard -Non-accrual - 2 767 206 - 3,336 2,905 - 7,216 Total Commercial, financial and agricultural $ 347,020 $ 457,265 $ 362,736 $ 168,882 $ 110,853 $ 186,374 $ 1,190,358 $ 498 $ 2,823,986 Current-period gross write-offs $ 1,213 $ 4,690 $ 2,531 $ 779 $ 4 $ 2,014 $ 1,998 $ - $ 13,229 Real estate - construction Pass $ 216,745 $ 874,903 $ 283,012 $ 49,668 $ 4,866 $ 16,558 $ 72,156 $ - $ 1,517,908 Special Mention 589 - - - - - - - 589 Substandard - accruing - 33 - - - 978 - - 1,011 Substandard -Non-accrual - - - - - - - 111 111 Total Real estate - construction $ 217,334 $ 874,936 $ 283,012 $ 49,668 $ 4,866 $ 17,536 $ 72,156 $ 111 $ 1,519,619 Current-period gross write-offs $ - $ - $ 19 $ - $ - $ - $ - $ 89 $ 108 Owner-occupied commercial Pass $ 148,915 $ 478,364 $ 517,667 $ 300,978 $ 181,864 $ 512,752 $ 64,170 $ 844 $ 2,205,554 Special Mention 5,369 1,411 7,705 8,317 8,530 7,539 - - 38,871 Substandard - accruing 1,358 - - - - 4,292 - - 5,650 Substandard -Non-accrual - - - - 2,329 4,759 - - 7,088 Total Owner-occupied commercial $ 155,642 $ 479,775 $ 525,372 $ 309,295 $ 192,723 $ 529,342 $ 64,170 $ 844 $ 2,257,163 Current-period gross write-offs $ - $ - $ - $ - $ 117 $ - $ - $ - $ 117 1-4 family mortgage Pass $ 166,927 $ 376,964 $ 228,183 $ 75,104 $ 40,697 $ 61,046 $ 286,066 $ - $ 1,234,987 Special Mention 574 721 2,504 1,009 3,865 439 727 - 9,839 Substandard - accruing - - - - - 425 261 - 686 Substandard -Non-accrual 155 380 741 572 877 901 800 - 4,426 Total 1-4 family mortgage $ 167,656 $ 378,065 $ 231,428 $ 76,685 $ 45,439 $ 62,811 $ 287,854 $ - $ 1,249,938 Current-period gross write-offs $ - $ 40 $ - $ - $ - $ 14 $ - $ - $ 54 Other mortgage Pass $ 162,418 $ 1,119,609 $ 1,106,055 $ 448,781 $ 249,059 $ 540,325 $ 100,516 $ 247 $ 3,727,010 Special Mention - - - - - - 850 - 850 Substandard - accruing - 4,975 - - - 11,005 - - 15,980 Substandard -Non-accrual - - - - 130 376 - - 506 Total Other mortgage $ 162,418 $ 1,124,584 $ 1,106,055 $ 448,781 $ 249,189 $ 551,706 $ 101,366 $ 247 $ 3,744,346 Current-period gross write-offs $ - $ - $ - $ - $ - $ - $ - $ - $ - Consumer Pass $ 22,227 $ 3,890 $ 4,542 $ 1,794 $ 1,295 $ 2,687 $ 27,342 $ - $ 63,777 Special Mention - - - - - - - - - Substandard - accruing - - - - - - - - - Substandard -Non-accrual - - - - - - - - - Total Consumer $ 22,227 $ 3,890 $ 4,542 $ 1,794 $ 1,295 $ 2,687 $ 27,342 $ - $ 63,777 Current-period gross write-offs $ - $ - $ - $ - $ 4 $ 49 $ 1,020 $ - $ 1,073 Total Loans Pass $ 1,058,567 $ 3,309,011 $ 2,493,493 $ 1,038,868 $ 577,813 $ 1,284,895 $ 1,711,574 $ 1,582 $ 11,475,803 Special Mention 10,807 4,114 15,314 15,091 13,715 11,527 23,346 7 93,921 Substandard - accruing 2,768 5,008 2,830 368 9,501 44,662 4,621 - 69,758 Substandard -Non-accrual 155 382 1,508 778 3,336 9,372 3,705 111 19,347 Total Loans $ 1,072,297 $ 3,318,515 $ 2,513,145 $ 1,055,105 $ 604,365 $ 1,350,456 $ 1,743,246 $ 1,700 $ 11,658,829 Current-period gross write-offs $ 1,213 $ 4,730 $ 2,550 $ 779 $ 125 $ 2,077 $ 3,018 $ 89 $ 14,581
Financing Receivable, Credit Substitute, Credit Quality Indicator [Table Text Block]	March 31, 2024 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,813,190 $ 20,912 $ 2,834,102 Real estate - construction 1,546,574 142 1,546,716 Real estate - mortgage: Owner-occupied commercial 2,368,301 8,741 2,377,042 1-4 family mortgage 1,280,381 4,507 1,284,888 Other mortgage 3,777,252 506 3,777,758 Total real estate - mortgage 7,425,934 13,754 7,439,688 Consumer 60,161 29 60,190 Total $ 11,845,859 $ 34,837 $ 11,880,696 December 31, 2023 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,816,599 $ 7,387 $ 2,823,986 Real estate - construction 1,519,508 111 1,519,619 Real estate - mortgage: Owner-occupied commercial 2,250,074 7,089 2,257,163 1-4 family mortgage 1,243,603 6,335 1,249,938 Other mortgage 3,743,840 506 3,744,346 Total real estate - mortgage 7,237,517 13,930 7,251,447 Consumer 63,672 105 63,777 Total $ 11,637,296 $ 21,533 $ 11,658,829
Financing Receivable, Past Due [Table Text Block]	March 31, 2024 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 9,962 $ 444 $ 351 $ 10,757 $ 20,561 $ 2,802,784 $ 2,834,102 $ 4,479 Real estate - construction - - - - 142 1,546,574 1,546,716 142 Real estate - mortgage: Owner-occupied commercial 1,241 103 - 1,344 8,741 2,366,957 2,377,042 6,939 1-4 family mortgage 3,623 951 - 4,574 4,507 1,275,807 1,284,888 1,199 Other mortgage - - - - 506 3,777,252 3,777,758 506 Total real estate - mortgage 4,864 1,054 - 5,918 13,754 7,420,016 7,439,688 8,644 Consumer 115 74 29 218 - 59,972 60,190 - Total $ 14,941 $ 1,572 $ 380 $ 16,893 $ 34,457 $ 11,829,346 $ 11,880,696 $ 13,265 December 31, 2023 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 3,418 $ 3,718 $ 170 $ 7,306 $ 7,217 $ 2,809,463 2,823,986 $ 5,028 Real estate - construction - 34 - 34 111 1,519,474 1,519,619 - Real estate - mortgage: Owner-occupied commercial - - - - 7,089 2,250,074 2,257,163 7,089 1-4 family mortgage 540 4,920 1,909 7,369 4,426 1,238,143 1,249,938 1,224 Other mortgage 676 10,703 - 11,379 506 3,732,461 3,744,346 506 Total real estate - mortgage 1,216 15,623 1,909 18,748 12,021 7,220,678 7,251,447 8,819 Consumer 58 31 105 194 - 63,583 63,777 - Total $ 4,692 $ 19,406 $ 2,184 $ 26,282 $ 19,349 $ 11,613,198 11,658,829 $ 13,847
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended March 31, 2024 Allowance for credit losses: Balance at December 31, 2023 $ 52,121 $ 44,658 $ 55,126 $ 1,412 $ 153,317 Charge-offs (1,842 ) - (67 ) (98 ) (2,007 ) Recoveries 199 - 6 9 214 Provision 544 1,031 2,575 218 4,368 Balance at March 31, 2024 $ 51,022 $ 45,689 $ 57,640 $ 1,541 $ 155,892 Three Months Ended March 31, 2023 Allowance for credit losses: Balance at December 31, 2022 $ 42,830 $ 42,889 $ 58,652 $ 1,926 $ 146,297 Charge-offs (1,257 ) - (26 ) (390 ) (1,673 ) Recoveries 128 3 1 11 143 Provision 1,193 (2,409 ) 4,530 883 4,197 Balance at March 31, 2023 $ 42,894 $ 40,483 $ 63,157 $ 2,430 $ 148,964
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]	Accounts ACL March 31, 2024 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 18,467 $ 3,834 $ 3,673 $ 29,841 $ 55,815 $ 15,495 Real estate - construction 2,142 - - 972 3,114 - Real estate - mortgage: Owner-occupied commercial 19,476 - - - 19,476 241 1-4 family mortgage 15,542 - - - 15,542 1,580 Other mortgage 5,808 - - - 5,808 568 Total real estate - mortgage 40,826 - - - 40,826 2,389 Consumer - - - - - - Total $ 61,435 $ 3,834 $ 3,673 $ 30,813 $ 99,755 $ 17,884 Accounts ACL December 31, 2023 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 20,266 $ 7,240 $ 2,126 $ 24,016 $ 53,648 $ 16,189 Real estate - construction 145 - - 978 1,123 1 Real estate - mortgage: Owner-occupied commercial 12,038 - - 698 12,736 475 1-4 family mortgage 15,694 - - - 15,694 1,058 Other mortgage 5,062 - - 800 5,862 603 Total real estate - mortgage 32,794 - - 1,498 34,292 2,136 Consumer - - - - - - Total $ 53,205 $ 7,240 $ 2,126 $ 26,492 $ 89,063 $ 18,326
Financing Receivable, Modified [Table Text Block]	Three Months Ended March 31, 2024 Payment Deferral Term and Term Percentage of Extensions Extensions Total Total Loans (In Thousands) Commercial, financial and agricultural $ 5,568 $ - $ 5,568 0.05 % Real estate - construction 973 - 973 0.01 % Owner-occupied commercial 1,501 - 1,501 0.01 % 1-4 family mortgage 424 - 424 - % Other mortgage 9,913 - 9,913 0.08 % Total $ 18,379 $ - $ 18,379 0.15 % Three Months Ended March 31, 2023 Payment Deferral Term and Term Percentage of Extensions Extensions Total Total Loans (In Thousands) Commercial, financial and agricultural $ 28,335 $ - $ 28,335 0.24 % Owner-occupied commercial 23 701 724 0.01 % 1-4 family mortgage 214 - 214 - % Other mortgage 11,254 359 11,613 0.10 % Total $ 39,827 $ 1,060 $ 40,886 0.35 % Three Months Ended March 31, 2024 Total Payment Term Extensions Deferral (In months) (In Thousands) Commercial, financial and agricultural 1 to 6 $ - Real estate - construction 12 - Owner-occupied commercial 12 - 1-4 family mortgage 12 - Other mortgage 11 - Three Months Ended March 31, 2023 Total Payment Term Extensions Deferral (In months) (In Thousands) Commercial, financial and agricultural 3 to 12 $ - Real estate - construction 6 - Owner-occupied commercial 3 to 18 49 1-4 family mortgage 3 - Other mortgage 3 to 36 59

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	3 Months Ended
Note 6 - Leases (Tables)	Mar. 31, 2024
Notes Tables
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]	March 31, 2024 (In Thousands) 2024 (remaining) $ 3,872 2025 4,933 2026 4,106 2027 3,537 2028 2,684 thereafter 11,901 Total lease payments 31,033 Less: imputed interest (4,689 ) Present value of operating lease liabilities $ 26,344
Lease, Cost [Table Text Block]	Three Months Ended March 31, 2024 2023 Operating lease cost $ 1,393 $ 1,230 Variable lease cost 216 191 Sublease income (5 ) (8 ) Net lease cost $ 1,604 $ 1,413

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	3 Months Ended
Note 7 - Employee and Director Benefits (Tables)	Mar. 31, 2024
Notes Tables
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Weighted Average Average Remaining Exercise Contractual Aggregate Shares Price Term (years) Intrinsic Value (In Thousands) Three Months Ended March 31, 2024: Outstanding January 1, 2024 165,800 $ 24.35 2.9 $ 7,211 Exercised (8,300 ) 15.74 0.9 420 Outstanding March 31, 2024 157,500 $ 24.80 2.7 $ 6,744 Exercisable March 31, 2024 140,000 $ 22.63 2.1 $ 6,122 Three Months Ended March 31, 2023: Outstanding January 1, 2023 280,000 $ 19.43 3.0 $ 14,088 Exercised (75,000 ) 10.80 0.9 3,288 Outstanding March 31, 2023 205,000 $ 22.59 3.4 $ 7,428 Exercisable March 31, 2023 152,000 $ 17.28 2.2 $ 5,859
Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block]	Restricted Stock Performance Shares Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value Three Months Ended March 31, 2024: Non-vested at January 1, 2024 158,298 $ 58.08 31,944 $ 58.25 Granted 21,835 67.12 8,894 67.90 Additional performance share attainment - - 6,216 68.18 Vested (25,107 ) 48.19 (18,653 ) 37.05 Forfeited (576 ) 71.43 - - Non-vested at March 31, 2024 154,450 $ 60.92 28,401 $ 77.37 Three Months Ended March 31, 2023: Non-vested at January 1, 2023 141,580 $ 56.39 23,852 $ 54.16 Granted 27,258 69.83 8,091 70.29 Vested (17,521 ) 48.32 - - Forfeited (6,545 ) 69.90 - - Non-vested at March 31, 2023 144,772 $ 59.29 31,943 $ 58.25

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	3 Months Ended
Note 11 - Fair Value Measurement (Tables)	Mar. 31, 2024
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at March 31, 2024 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ 493,969 $ - $ - $ 493,969 Mortgage-backed securities - 254,915 - 254,915 State and municipal securities - 9,958 - 9,958 Corporate debt - 315,086 - 315,086 Total available-for-sale debt securities 493,969 579,959 - 1,073,929 Total assets at fair value $ 493,969 $ 579,959 $ - $ 1,073,929 Fair Value Measurements at December 31, 2023 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ 340,807 $ - $ - $ 340,807 Mortgage-backed securities - 215,485 - 215,485 State and municipal securities - 10,223 - 10,223 Corporate debt - 326,808 6,860 333,668 Total available-for-sale debt securities 340,807 552,516 6,860 900,183 Total assets at fair value $ 340,807 $ 552,516 $ 6,860 $ 900,183
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements at March 31, 2024 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 81,871 $ 81,871 Other real estate owned and repossessed assets - - 490 490 Total assets at fair value $ - $ - $ 82,361 $ 82,361 Fair Value Measurements at December 31, 2023 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 70,735 $ 70,735 Other real estate owned - - 995 995 Total assets at fair value $ - $ - $ 71,730 $ 71,730
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	For the period ended March 31, 2024 2023 Available-for-sale Securities Available-for-sale Securities (In Thousands) Fair value, beginning of period $ 6,860 $ 10,860 Transfers into Level 3 - - Total realized gains included in income - - Changes in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at period-end (1,329 ) 160 Purchases - - Transfers out of Level 3 (5,531 ) (4,160 ) Fair value, end of period $ - $ 6,860
Fair Value, by Balance Sheet Grouping [Table Text Block]	March 31, 2024 December 31, 2023 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 Inputs: Cash and cash equivalents $ 1,280,274 $ 1,280,274 $ 2,030,513 $ 2,030,513 Held to maturity U.S. Treasury securities 393,932 368,868 508,985 484,267 Level 2 Inputs: Federal funds sold 170,625 170,625 100,575 100,575 Held to maturity debt securities 473,514 416,152 473,429 422,674 Mortgage loans held for sale 7,592 7,592 5,071 5,071 Restricted equity securities 11,300 11,300 10,226 10,226 Level 3 Inputs: Held to maturity debt securities 250 250 250 250 Loans, net 11,642,933 11,195,399 11,505,512 11,032,819 Financial Liabilities: Level 2 Inputs: Deposits $ 12,751,448 $ 12,743,505 $ 13,273,511 $ 13,266,640 Federal funds purchased 1,345,328 1,345,328 1,256,724 1,256,724 Other borrowings 64,737 58,337 64,735 58,083

Note 3 - Earnings Per Common _3

Note 3 - Earnings Per Common Share - Summary of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Weighted average common shares outstanding (in shares)	54,491,019	54,360,253
Net income available to common stockholders	$ 50,026	$ 57,971
Basic earnings per common share (in dollars per share)	$ 0.92	$ 1.07
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	104,365	174,229
Weighted average common and dilutive potential common shares outstanding (in shares)	54,595,384	54,542,899
Net income available to common stockholders	$ 50,026	$ 57,971
Diluted earnings per common share (in dollars per share)	$ 0.92	$ 1.06

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Current	$ 0		$ 0
US Treasury Securities and Residential Mortgage-Backed Securities [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss	0		0
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0		$ 0
Asset Not Pledged as Collateral and Asset Pledged as Collateral without Right [Member]
Debt Securities	$ 1,480,000	$ 1,490,000

Note 4 - Securities - Amortized

Note 4 - Securities - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Available for sale, amortized cost	$ 1,139,325	$ 969,090
Available for sale, gross unrealized gain	320	258
Available for sale, gross unrealized loss	(65,716)	(69,166)
Available for sale, fair value	1,073,929	900,183	[1]
Held to maturity, amortized cost	867,696	982,664	[1]
Held to maturity, gross unrealized gain	5	3
Held to maturity, gross unrealized loss	(82,431)	(75,475)
Held to maturity debt securities, fair value	785,270	907,191
US Treasury Securities [Member]
Available for sale, amortized cost	494,156	340,556
Available for sale, gross unrealized gain	10	251
Available for sale, gross unrealized loss	(197)	0
Available for sale, fair value	493,969	340,807
Held to maturity, amortized cost	393,932	508,985
Held to maturity, gross unrealized gain	0	0
Held to maturity, gross unrealized loss	(25,065)	(24,718)
Held to maturity debt securities, fair value	368,868	484,267
Collateralized Mortgage-Backed Securities [Member]
Available for sale, amortized cost	281,343	241,458
Available for sale, gross unrealized gain	249	6
Available for sale, gross unrealized loss	(26,677)	(25,979)
Available for sale, fair value	254,915	215,485
Held to maturity, amortized cost	465,695	465,615
Held to maturity, gross unrealized gain	5	3
Held to maturity, gross unrealized loss	(56,634)	(50,025)
Held to maturity debt securities, fair value	409,066	415,593
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	11,142	11,400
Available for sale, gross unrealized gain	1	1
Available for sale, gross unrealized loss	(1,186)	(1,178)
Available for sale, fair value	9,958	10,223
Held to maturity, amortized cost	8,069	8,063
Held to maturity, gross unrealized gain	0	0
Held to maturity, gross unrealized loss	(733)	(732)
Held to maturity debt securities, fair value	7,336	7,331
Corporate Debt Securities [Member]
Available for sale, amortized cost	352,684	375,676
Available for sale, gross unrealized gain	60	0
Available for sale, gross unrealized loss	(37,657)	(42,009)
Available for sale, fair value	$ 315,086	$ 333,667

[1]derived from audited financial statements.

Note 4 - Securities - Amortiz_2

Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Due within one year, amortized cost	$ 430,857	$ 350,400
Due within one year, fair value	430,760	350,396
Due from one to five years, amortized cost	132,967	70,016
Due from one to five years, fair value	129,779	67,334
Due from five to ten years, amortized cost	291,157	304,216
Due from five to ten years, fair value	256,407	264,893
Due after ten years, amortized cost	3,000	3,000
Due after ten years, fair value	2,068	2,076
Mortgage-backed securities, amortized cost	281,343	241,458
Mortgage-backed securities, fair value	254,915	215,485
Available for sale, amortized cost	1,139,325	969,090
Available for sale, fair value	1,073,929	900,183	[1]
Held to maturity debt securities, Due within one year	144,940	260,047
Held to maturity debt securities, Due within one year, fair value	144,283	257,835
Held to maturity debt securities, Due from one to five years	253,772	203,481
Held to maturity debt securities, Due from one to five years, fair value	229,043	185,741
Held to maturity debt securities, Due from five to ten years	3,289	53,521
Held to maturity debt securities, Due from five to ten years, fair value	2,878	48,022
Mortgage-backed securities, amortized cost	465,695	465,615
Mortgage-backed securities, fair value	409,066	415,593
Held to maturity, amortized cost	867,696	982,664	[1]
Held to maturity debt securities, fair value	$ 785,270	$ 907,191

[1]derived from audited financial statements.

Note 4 - Securities - Investmen

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2022
Debt securities available for sale, less than twelve months, gross unrealized losses	$ (2,591)	$ (801)
Debt securities available for sale, less than twelve months, fair value	491,031	15,845
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	(63,125)	(68,365)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	508,710	535,836
Debt Securities, Available for Sale, Gross Unrealized Losses	(65,716)	(69,166)
Debt Securities, Available for Sale, Fair Value	999,741	551,681
Debt Securities held to maturity less than twelve months, gross unrealized losses	(162)	(1)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value	9,895	430
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses	(82,269)	(75,474)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value	771,382	902,933
Debt Securities, Held To Maturity , Gross Unrealized Losses	(82,431)	(75,475)
Debt Securities,Held To Maturity, Fair Value	779,735	903,363
US Treasury Securities [Member]
Debt securities available for sale, less than twelve months, gross unrealized losses	(197)
Debt securities available for sale, less than twelve months, fair value	479,762
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	0
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	0
Debt Securities, Available for Sale, Gross Unrealized Losses	(197)
Debt Securities, Available for Sale, Fair Value	479,762
Debt Securities held to maturity less than twelve months, gross unrealized losses	0	0
Debt securities, held to maturity, Less Than Twelve Months, Fair Value	0	0
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses	(25,065)	(24,718)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value	368,868	484,267
Debt Securities, Held To Maturity , Gross Unrealized Losses	(25,065)	(24,718)
Debt Securities,Held To Maturity, Fair Value	368,868	484,267
US Government Agencies Debt Securities [Member]
Debt securities available for sale, less than twelve months, gross unrealized losses	0
Debt securities available for sale, less than twelve months, fair value	0
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	0
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	0
Debt Securities, Available for Sale, Gross Unrealized Losses	0
Debt Securities, Available for Sale, Fair Value	0
Collateralized Mortgage-Backed Securities [Member]
Debt securities available for sale, less than twelve months, gross unrealized losses	(2)	(6)
Debt securities available for sale, less than twelve months, fair value	161	704
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	(26,674)	(25,973)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	205,195	214,393
Debt Securities, Available for Sale, Gross Unrealized Losses	(26,677)	(25,979)
Debt Securities, Available for Sale, Fair Value	205,356	215,097
Debt Securities held to maturity less than twelve months, gross unrealized losses	(162)	(1)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value	9,895	430
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses	(56,471)	(50,024)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value	393,887	411,585
Debt Securities, Held To Maturity , Gross Unrealized Losses	(56,634)	(50,025)
Debt Securities,Held To Maturity, Fair Value	405,323	412,015
US States and Political Subdivisions Debt Securities [Member]
Debt securities available for sale, less than twelve months, gross unrealized losses	0	0
Debt securities available for sale, less than twelve months, fair value	0	0
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	(1,186)	(1,178)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	9,512	9,777
Debt Securities, Available for Sale, Gross Unrealized Losses	(1,186)	(1,178)
Debt Securities, Available for Sale, Fair Value	9,512	9,777
Debt Securities held to maturity less than twelve months, gross unrealized losses	0	0
Debt securities, held to maturity, Less Than Twelve Months, Fair Value	0	0
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses	(733)	(732)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value	7,086	7,081
Debt Securities, Held To Maturity , Gross Unrealized Losses	(733)	(732)
Debt Securities,Held To Maturity, Fair Value	7,086	7,081
Corporate Debt Securities [Member]
Debt securities available for sale, less than twelve months, gross unrealized losses	(2,392)	(794)
Debt securities available for sale, less than twelve months, fair value	11,108	15,141
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses	(35,265)	(41,214)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value	294,003	311,666
Debt Securities, Available for Sale, Gross Unrealized Losses	(37,657)	(42,009)
Debt Securities, Available for Sale, Fair Value	$ 305,111	$ 326,807

Note 5 - Loans (Details Textual

Note 5 - Loans (Details Textual) - USD ($)	3 Months Ended
Note 5 - Loans (Details Textual) - USD ($)	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023		Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss	$ 155,892,000	$ 148,964,000	$ 153,317,000	[1]	$ 146,297,000
Financing Receivable, Credit Loss, Expense (Reversal)	4,368,000	4,197,000
Unfunded Loan Commitment [Member]
Financing Receivable, Allowance for Credit Loss	742,000		$ 575,000
Financing Receivable, Credit Loss, Expense (Reversal)	$ 167,000	$ 0

[1]derived from audited financial statements.

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023		Mar. 31, 2023	Dec. 31, 2022
Total loans	$ 11,880,696	$ 11,658,829	[1]
Less: Allowance for credit losses	(155,892)	(153,317)	[1]	$ (148,964)	$ (146,297)
Net Loans	$ 11,724,804	$ 11,505,512	[1]
Financing receivable, gross percentage	100%	100%
Commercial Real Estate Portfolio Segment [Member]
Total loans	$ 2,834,102	$ 2,823,986
Financing receivable, gross percentage	23.85%	24.22%
Real Estate Portfolio Segment[Member]
Total loans	$ 7,439,688	$ 7,251,447
Financing receivable, gross percentage	62.62%	62.20%
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Total loans	$ 1,546,716	$ 1,519,619
Less: Allowance for credit losses	$ (45,689)	$ (44,658)		(40,483)	(42,889)
Financing receivable, gross percentage	13.02%	13.03%
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Total loans	$ 2,377,042	$ 2,257,163
Financing receivable, gross percentage	20.01%	19.36%
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Total loans	$ 1,284,888	$ 1,249,938
Financing receivable, gross percentage	10.81%	10.72%
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Total loans	$ 3,777,758	$ 3,744,346
Financing receivable, gross percentage	31.80%	32.12%
Consumer Portfolio Segment [Member]
Total loans	$ 60,190	$ 63,777
Less: Allowance for credit losses	$ (1,541)	$ (1,412)		$ (2,430)	$ (1,926)
Financing receivable, gross percentage	0.51%	0.55%

[1]derived from audited financial statements.

Note 5 - Loans - Loans by Credi

Note 5 - Loans - Loans by Credit Quality Indicators, Loans Type and Year of Origination (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Originated current year	$ 382,519		$ 1,072,297
Originated year two	1,091,102		3,318,515
Originated year three	3,329,308		2,513,145
Originated year four	2,459,557		1,055,105
Originated year five	1,013,882		604,365
Originated prior	1,892,749		1,350,456
Revolving	1,709,958		1,743,246
Revolving converted to term	1,621		1,700
Total loans	11,880,696		11,658,829	[1]
Current-period gross write-offs			1,213
Current-period gross write-offs			4,730
Current-period gross write-offs			2,550
Current-period gross write-offs			779
Current-period gross write-offs			125
Current-period gross write-offs			2,077
Current-period gross write-offs			3,018
Current-period gross write-offs			89
Current-period gross write-offs		$ 1,673	14,581
Performing Financial Instruments [Member]
Total loans	11,845,859		11,637,296
Nonperforming Financial Instruments [Member]
Total loans	34,837		21,533
Commercial Real Estate Portfolio Segment [Member]
Originated current year	108,782		347,020
Originated year two	322,239		457,265
Originated year three	439,774		362,736
Originated year four	351,723		168,882
Originated year five	155,058		110,853
Originated prior	279,974		186,374
Revolving	1,176,120		1,190,358
Revolving converted to term	432		498
Total loans	2,834,102		2,823,986
Current-period gross write-offs	0		1,213
Current-period gross write-offs	0		4,690
Current-period gross write-offs	0		2,531
Current-period gross write-offs	0		779
Current-period gross write-offs	0		4
Current-period gross write-offs	1,106		2,014
Current-period gross write-offs	736		1,998
Current-period gross write-offs	0		0
Current-period gross write-offs	1,842		13,229
Commercial Real Estate Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Total loans	2,813,190		2,816,599
Commercial Real Estate Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Total loans	20,912		7,387
Real Estate Portfolio Segment[Member]
Total loans	7,439,688		7,251,447
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Originated current year	48,543		217,334
Originated year two	255,158		874,936
Originated year three	849,574		283,012
Originated year four	252,588		49,668
Originated year five	50,092		4,866
Originated prior	21,678		17,536
Revolving	68,975		72,156
Revolving converted to term	108		111
Total loans	1,546,716		1,519,619
Current-period gross write-offs	0		0
Current-period gross write-offs	0		0
Current-period gross write-offs	0		19
Current-period gross write-offs	62		0
Current-period gross write-offs	0		0
Current-period gross write-offs	0		0
Current-period gross write-offs	5		0
Current-period gross write-offs	0		89
Current-period gross write-offs	67	0	108
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Originated current year	80,143		155,642
Originated year two	178,603		479,775
Originated year three	526,630		525,372
Originated year four	535,900		309,295
Originated year five	298,997		192,723
Originated prior	697,007		529,342
Revolving	58,928		64,170
Revolving converted to term	834		844
Total loans	2,377,042		2,257,163
Current-period gross write-offs	0		0
Current-period gross write-offs	8		0
Current-period gross write-offs	0		0
Current-period gross write-offs	0		0
Current-period gross write-offs	0		117
Current-period gross write-offs	0		0
Current-period gross write-offs	90		0
Current-period gross write-offs	0		0
Current-period gross write-offs	98		117
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Originated current year	61,318		167,656
Originated year two	156,446		378,065
Originated year three	369,885		231,428
Originated year four	223,802		76,685
Originated year five	78,480		45,439
Originated prior	104,123		62,811
Revolving	290,834		287,854
Revolving converted to term	0		0
Total loans	1,284,888		1,249,938
Current-period gross write-offs	0		0
Current-period gross write-offs	8		40
Current-period gross write-offs	0		0
Current-period gross write-offs	62		0
Current-period gross write-offs	0		0
Current-period gross write-offs	1,106		14
Current-period gross write-offs	831		0
Current-period gross write-offs	0		0
Current-period gross write-offs	2,007		54
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Originated current year	82,631		162,418
Originated year two	156,951		1,124,584
Originated year three	1,139,978		1,106,055
Originated year four	1,091,167		448,781
Originated year five	429,593		249,189
Originated prior	786,118		551,706
Revolving	91,073		101,366
Revolving converted to term	247		247
Total loans	3,777,758		3,744,346
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member]
Total loans	7,425,934		7,237,517
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Construction Loans [Member]
Total loans	1,546,574		1,519,508
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Total loans	2,368,301		2,250,074
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| One to Four Family [Member]
Total loans	1,280,381		1,243,603
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Other Mortgages [Member]
Total loans	3,777,252		3,743,840
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member]
Total loans	13,754		13,930
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Construction Loans [Member]
Total loans	142		111
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Total loans	8,741		7,089
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| One to Four Family [Member]
Total loans	4,507		6,335
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Other Mortgages [Member]
Total loans	506		506
Consumer Portfolio Segment [Member]
Originated current year	1,102		22,227
Originated year two	21,705		3,890
Originated year three	3,467		4,542
Originated year four	4,377		1,794
Originated year five	1,662		1,295
Originated prior	3,849		2,687
Revolving	24,028		27,342
Revolving converted to term	0		0
Total loans	60,190		63,777
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			0
Current-period gross write-offs			4
Current-period gross write-offs			49
Current-period gross write-offs			1,020
Current-period gross write-offs			0
Current-period gross write-offs		$ 390	1,073
Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Total loans	60,161		63,672
Consumer Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Total loans	29		105
Pass [Member]
Originated current year	381,281		1,058,567
Originated year two	1,077,613		3,309,011
Originated year three	3,305,644		2,493,493
Originated year four	2,440,942		1,038,868
Originated year five	998,871		577,813
Originated prior	1,800,728		1,284,895
Revolving	1,673,698		1,711,574
Revolving converted to term	1,511		1,582
Total loans	11,680,288		11,475,803
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member]
Originated current year	107,544		341,335
Originated year two	316,897		455,281
Originated year three	437,779		354,034
Originated year four	344,676		162,543
Originated year five	149,733		100,032
Originated prior	234,363		151,527
Revolving	1,141,682		1,161,324
Revolving converted to term	430		491
Total loans	2,733,104		2,726,567
Pass [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Originated current year	48,543		216,745
Originated year two	254,568		874,903
Originated year three	847,543		283,012
Originated year four	252,588		49,668
Originated year five	50,092		4,866
Originated prior	20,705		16,558
Revolving	68,975		72,156
Revolving converted to term	0		0
Total loans	1,543,014		1,517,908
Pass [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Originated current year	80,143		148,915
Originated year two	171,911		478,364
Originated year three	517,845		517,667
Originated year four	528,261		300,978
Originated year five	290,718		181,864
Originated prior	669,803		512,752
Revolving	58,928		64,170
Revolving converted to term	834		844
Total loans	2,318,443		2,205,554
Pass [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Originated current year	61,318		166,927
Originated year two	155,581		376,964
Originated year three	369,024		228,183
Originated year four	220,533		75,104
Originated year five	77,073		40,697
Originated prior	97,362		61,046
Revolving	289,012		286,066
Revolving converted to term	0		0
Total loans	1,269,903		1,234,987
Pass [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Originated current year	82,631		162,418
Originated year two	156,951		1,119,609
Originated year three	1,129,986		1,106,055
Originated year four	1,090,507		448,781
Originated year five	429,593		249,059
Originated prior	774,646		540,325
Revolving	91,073		100,516
Revolving converted to term	247		247
Total loans	3,755,634		3,727,010
Pass [Member] \| Consumer Portfolio Segment [Member]
Originated current year	1,102		22,227
Originated year two	21,705		3,890
Originated year three	3,467		4,542
Originated year four	4,377		1,794
Originated year five	1,662		1,295
Originated prior	3,849		2,687
Revolving	24,028		27,342
Revolving converted to term	0		0
Total loans	60,190		63,777
Special Mention [Member]
Originated current year	737		10,807
Originated year two	7,061		4,114
Originated year three	16,016		15,314
Originated year four	7,338		15,091
Originated year five	13,735		13,715
Originated prior	27,989		11,527
Revolving	27,785		23,346
Revolving converted to term	2		7
Total loans	100,663		93,921
Special Mention [Member] \| Commercial Real Estate Portfolio Segment [Member]
Originated current year	737		4,275
Originated year two	403		1,982
Originated year three	1,769		5,105
Originated year four	4,277		5,765
Originated year five	4,692		1,320
Originated prior	6,419		3,549
Revolving	26,880		21,769
Revolving converted to term	2		7
Total loans	45,179		43,772
Special Mention [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Originated current year	0		589
Originated year two	590		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		0
Originated prior	0		0
Revolving	0		0
Revolving converted to term	0		0
Total loans	590		589
Special Mention [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Originated current year	0		5,369
Originated year two	5,359		1,411
Originated year three	8,785		7,705
Originated year four	792		8,317
Originated year five	8,279		8,530
Originated prior	15,957		7,539
Revolving	0		0
Revolving converted to term	0		0
Total loans	39,172		38,871
Special Mention [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Originated current year	0		574
Originated year two	709		721
Originated year three	428		2,504
Originated year four	2,269		1,009
Originated year five	764		3,865
Originated prior	4,862		439
Revolving	905		727
Revolving converted to term	0		0
Total loans	9,937		9,839
Special Mention [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	5,034		0
Originated year four	0		0
Originated year five	0		0
Originated prior	751		0
Revolving	0		850
Revolving converted to term	0		0
Total loans	5,785		850
Special Mention [Member] \| Consumer Portfolio Segment [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		0
Originated prior	0		0
Revolving	0		0
Revolving converted to term	0		0
Total loans	0		0
Substandard [Member] \| Performing Financial Instruments [Member]
Originated current year	501		2,768
Originated year two	2,697		5,008
Originated year three	6,955		2,830
Originated year four	7,892		368
Originated year five	427		9,501
Originated prior	41,524		44,662
Revolving	5,293		4,621
Revolving converted to term	0		0
Total loans	65,289		69,758
Substandard [Member] \| Nonperforming Financial Instruments [Member]
Originated current year			155
Originated year two			382
Originated year three			1,508
Originated year four			778
Originated year five			3,336
Originated prior			9,372
Revolving			3,705
Revolving converted to term			111
Total loans			19,347
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Originated current year	501		1,410
Originated year two	1,364		0
Originated year three	0		2,830
Originated year four	385		368
Originated year five	427		9,501
Originated prior	27,406		27,962
Revolving	5,176		4,360
Revolving converted to term	0		0
Total loans	35,259		46,431
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Originated current year	0		0
Originated year two	3,575		2
Originated year three	226		767
Originated year four	2,385		206
Originated year five	206		0
Originated prior	11,786		3,336
Revolving	2,382		2,905
Revolving converted to term	0		0
Total loans	20,560		7,216
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Construction Loans [Member]
Originated current year	0		0
Originated year two	0		33
Originated year three	1,997		0
Originated year four	0		0
Originated year five	0		0
Originated prior	973		978
Revolving	0		0
Revolving converted to term	0		0
Total loans	2,970		1,011
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Originated current year	0		1,358
Originated year two	1,333		0
Originated year three	0		0
Originated year four	6,847		0
Originated year five	0		0
Originated prior	2,506		4,292
Revolving	0		0
Revolving converted to term	0		0
Total loans	10,686		5,650
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| One to Four Family [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		0
Originated prior	424		425
Revolving	117		261
Revolving converted to term	0		0
Total loans	541		686
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Other Mortgages [Member]
Originated current year	0		0
Originated year two	0		4,975
Originated year three	4,958		0
Originated year four	660		0
Originated year five	0		0
Originated prior	10,215		11,005
Revolving	0		0
Revolving converted to term	0		0
Total loans	15,833		15,980
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Construction Loans [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	34		0
Originated year four	0		0
Originated year five	0		0
Originated prior	0		0
Revolving	0		0
Revolving converted to term	108		111
Total loans	142		111
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		2,329
Originated prior	8,741		4,759
Revolving	0		0
Revolving converted to term	0		0
Total loans	8,741		7,088
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| One to Four Family [Member]
Originated current year	0		155
Originated year two	156		380
Originated year three	433		741
Originated year four	1,000		572
Originated year five	643		877
Originated prior	1,475		901
Revolving	800		800
Revolving converted to term	0		0
Total loans	4,507		4,426
Substandard [Member] \| Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Other Mortgages [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		130
Originated prior	506		376
Revolving	0		0
Revolving converted to term	0		0
Total loans	506		506
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Originated current year	0		0
Originated year two	0		0
Originated year three	0		0
Originated year four	0		0
Originated year five	0		0
Originated prior	0		0
Revolving	0		0
Revolving converted to term	0		0
Total loans	0		0
Substandard [Member] \| Consumer Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Originated current year	0		0
Originated year two	3,731		0
Originated year three	693		0
Originated year four	3,385		0
Originated year five	849		0
Originated prior	22,508		0
Revolving	3,182		0
Revolving converted to term	108		0
Total loans	$ 34,456		$ 0

[1]derived from audited financial statements.

Note 5 - Loans - Loans by Perfo

Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Total loans	$ 11,880,696	$ 11,658,829	[1]
Performing Financial Instruments [Member]
Total loans	11,845,859	11,637,296
Nonperforming Financial Instruments [Member]
Total loans	34,837	21,533
Commercial Real Estate Portfolio Segment [Member]
Total loans	2,834,102	2,823,986
Commercial Real Estate Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Total loans	2,813,190	2,816,599
Commercial Real Estate Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Total loans	20,912	7,387
Real Estate Portfolio Segment[Member]
Total loans	7,439,688	7,251,447
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Total loans	1,546,716	1,519,619
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Total loans	2,377,042	2,257,163
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Total loans	1,284,888	1,249,938
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Total loans	3,777,758	3,744,346
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member]
Total loans	7,425,934	7,237,517
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Construction Loans [Member]
Total loans	1,546,574	1,519,508
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Total loans	2,368,301	2,250,074
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| One to Four Family [Member]
Total loans	1,280,381	1,243,603
Real Estate Portfolio Segment[Member] \| Performing Financial Instruments [Member] \| Other Mortgages [Member]
Total loans	3,777,252	3,743,840
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member]
Total loans	13,754	13,930
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Construction Loans [Member]
Total loans	142	111
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Owner Occupied Commercial [Member]
Total loans	8,741	7,089
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| One to Four Family [Member]
Total loans	4,507	6,335
Real Estate Portfolio Segment[Member] \| Nonperforming Financial Instruments [Member] \| Other Mortgages [Member]
Total loans	506	506
Consumer Portfolio Segment [Member]
Total loans	60,190	63,777
Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Total loans	60,161	63,672
Consumer Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Total loans	$ 29	$ 105

[1]derived from audited financial statements.

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Total loans	$ 11,880,696	$ 11,658,829	[1]
Non-accrual	34,457	19,349
Nonaccrual With No ACL	13,265	13,847
Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	14,941	4,692
Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	1,572	19,406
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	380	2,184
Financial Asset, Past Due [Member]
Total loans	16,893	26,282
Financial Asset, Not Past Due [Member]
Total loans	11,829,346	11,613,198
Commercial Real Estate Portfolio Segment [Member]
Total loans	2,834,102	2,823,986
Non-accrual	20,561	7,217
Nonaccrual With No ACL	4,479	5,028
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	9,962	3,418
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	444	3,718
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	351	170
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Total loans	10,757	7,306
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Total loans	2,802,784	2,809,463
Real Estate Portfolio Segment[Member]
Total loans	7,439,688	7,251,447
Non-accrual	13,754	12,021
Nonaccrual With No ACL	8,644	8,819
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Total loans	1,546,716	1,519,619
Non-accrual	142	111
Nonaccrual With No ACL	142	0
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Total loans	2,377,042	2,257,163
Non-accrual	8,741	7,089
Nonaccrual With No ACL	6,939	7,089
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Total loans	1,284,888	1,249,938
Non-accrual	4,507	4,426
Nonaccrual With No ACL	1,199	1,224
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Total loans	3,777,758	3,744,346
Non-accrual	506	506
Nonaccrual With No ACL	506	506
Real Estate Portfolio Segment[Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	4,864	1,216
Real Estate Portfolio Segment[Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Construction Loans [Member]
Total loans	0	0
Real Estate Portfolio Segment[Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Owner Occupied Commercial [Member]
Total loans	1,241	0
Real Estate Portfolio Segment[Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| One to Four Family [Member]
Total loans	3,623	540
Real Estate Portfolio Segment[Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Other Mortgages [Member]
Total loans	0	676
Real Estate Portfolio Segment[Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	1,054	15,623
Real Estate Portfolio Segment[Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Construction Loans [Member]
Total loans	0	34
Real Estate Portfolio Segment[Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Owner Occupied Commercial [Member]
Total loans	103	0
Real Estate Portfolio Segment[Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| One to Four Family [Member]
Total loans	951	4,920
Real Estate Portfolio Segment[Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Other Mortgages [Member]
Total loans	0	10,703
Real Estate Portfolio Segment[Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	0	1,909
Real Estate Portfolio Segment[Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Construction Loans [Member]
Total loans	0	0
Real Estate Portfolio Segment[Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Owner Occupied Commercial [Member]
Total loans	0	0
Real Estate Portfolio Segment[Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| One to Four Family [Member]
Total loans	0	1,909
Real Estate Portfolio Segment[Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Other Mortgages [Member]
Total loans	0	0
Real Estate Portfolio Segment[Member] \| Financial Asset, Past Due [Member]
Total loans	5,918	18,748
Real Estate Portfolio Segment[Member] \| Financial Asset, Past Due [Member] \| Construction Loans [Member]
Total loans	0	34
Real Estate Portfolio Segment[Member] \| Financial Asset, Past Due [Member] \| Owner Occupied Commercial [Member]
Total loans	1,344	0
Real Estate Portfolio Segment[Member] \| Financial Asset, Past Due [Member] \| One to Four Family [Member]
Total loans	4,574	7,369
Real Estate Portfolio Segment[Member] \| Financial Asset, Past Due [Member] \| Other Mortgages [Member]
Total loans	0	11,379
Real Estate Portfolio Segment[Member] \| Financial Asset, Not Past Due [Member]
Total loans	7,420,016	7,220,678
Real Estate Portfolio Segment[Member] \| Financial Asset, Not Past Due [Member] \| Construction Loans [Member]
Total loans	1,546,574	1,519,474
Real Estate Portfolio Segment[Member] \| Financial Asset, Not Past Due [Member] \| Owner Occupied Commercial [Member]
Total loans	2,366,957	2,250,074
Real Estate Portfolio Segment[Member] \| Financial Asset, Not Past Due [Member] \| One to Four Family [Member]
Total loans	1,275,807	1,238,143
Real Estate Portfolio Segment[Member] \| Financial Asset, Not Past Due [Member] \| Other Mortgages [Member]
Total loans	3,777,252	3,732,461
Consumer Portfolio Segment [Member]
Total loans	60,190	63,777
Non-accrual	0	0
Nonaccrual With No ACL	0	0
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total loans	115	58
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total loans	74	31
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total loans	29	105
Consumer Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Total loans	218	194
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Total loans	$ 59,972	$ 63,583

[1]derived from audited financial statements.

Note 5 - Loans - Analysis of Al

Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2024		Mar. 31, 2023	Dec. 31, 2023
Balance	$ 153,317	[1]	$ 146,297	$ 146,297
Charge-offs	(2,007)
Recoveries	214		143
Provision for credit losses	4,368		4,197
Balance	155,892		148,964	153,317	[1]
Charge-offs			(1,673)	(14,581)
Commercial Real Estate Portfolio Segment [Member]
Charge-offs	(1,842)			(13,229)
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Balance	52,121		42,830	42,830
Charge-offs	(1,842)
Recoveries	199		128
Provision for credit losses	544		1,193
Balance	51,022		42,894	52,121
Charge-offs			(1,257)
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Balance	44,658		42,889	42,889
Charge-offs	0
Recoveries	0		3
Provision for credit losses	1,031		(2,409)
Balance	45,689		40,483	44,658
Charge-offs	(67)		0	(108)
Real Estate Portfolio Segment[Member] \| Real Estate Loan [Member]
Balance	55,126		58,652	58,652
Charge-offs	(67)
Recoveries	6		1
Provision for credit losses	2,575		4,530
Balance	57,640		63,157	55,126
Charge-offs			(26)
Consumer Portfolio Segment [Member]
Balance	1,412		1,926	1,926
Charge-offs	(98)
Recoveries	9		11
Provision for credit losses	218		883
Balance	$ 1,541		2,430	1,412
Charge-offs			$ (390)	$ (1,073)

[1]derived from audited financial statements.

Note 5 - Loans - Summary of Col

Note 5 - Loans - Summary of Collateral Types (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023		Mar. 31, 2023	Dec. 31, 2022
Financing receivable, gross	$ 11,880,696	$ 11,658,829	[1]
Financing Receivable, Allowance for Credit Loss	155,892	153,317	[1]	$ 148,964	$ 146,297
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	2,834,102	2,823,986
Real Estate Portfolio Segment[Member]
Financing receivable, gross	7,439,688	7,251,447
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	1,546,716	1,519,619
Financing Receivable, Allowance for Credit Loss	45,689	44,658		40,483	42,889
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	2,377,042	2,257,163
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	1,284,888	1,249,938
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	3,777,758	3,744,346
Consumer Portfolio Segment [Member]
Financing receivable, gross	60,190	63,777
Financing Receivable, Allowance for Credit Loss	1,541	1,412		$ 2,430	$ 1,926
Real Estate [Member]
Financing receivable, gross	61,435	53,205
Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	18,467	20,266
Real Estate [Member] \| Real Estate Portfolio Segment[Member]
Financing receivable, gross	40,826	32,794
Real Estate [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	2,142	145
Real Estate [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	19,476	12,038
Real Estate [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	15,542	15,694
Real Estate [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	5,808	5,062
Real Estate [Member] \| Consumer Portfolio Segment [Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member]
Financing receivable, gross	3,834	7,240
Collateral, Accounts Receivable [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,834	7,240
Collateral, Accounts Receivable [Member] \| Real Estate Portfolio Segment[Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	0	0
Collateral, Accounts Receivable [Member] \| Consumer Portfolio Segment [Member]
Financing receivable, gross	0	0
Equipment [Member]
Financing receivable, gross	3,673	2,126
Equipment [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,673	2,126
Equipment [Member] \| Real Estate Portfolio Segment[Member]
Financing receivable, gross	0	0
Equipment [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	0	0
Equipment [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	0	0
Equipment [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	0	0
Equipment [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	0	0
Equipment [Member] \| Consumer Portfolio Segment [Member]
Financing receivable, gross	0	0
Collateral, Other [Member]
Financing receivable, gross	30,813	26,492
Collateral, Other [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	29,841	24,016
Collateral, Other [Member] \| Real Estate Portfolio Segment[Member]
Financing receivable, gross	0	1,498
Collateral, Other [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	972	978
Collateral, Other [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	0	698
Collateral, Other [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	0	0
Collateral, Other [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	0	800
Collateral, Other [Member] \| Consumer Portfolio Segment [Member]
Financing receivable, gross	0	0
Collateral Pledged [Member]
Financing receivable, gross	99,755	89,063
Financing Receivable, Allowance for Credit Loss	17,884	18,326
Collateral Pledged [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	55,815	53,648
Financing Receivable, Allowance for Credit Loss	15,495	16,189
Collateral Pledged [Member] \| Real Estate Portfolio Segment[Member]
Financing receivable, gross	40,826	34,292
Financing Receivable, Allowance for Credit Loss	2,389	2,136
Collateral Pledged [Member] \| Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Financing receivable, gross	3,114	1,123
Financing Receivable, Allowance for Credit Loss	0	1
Collateral Pledged [Member] \| Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Financing receivable, gross	19,476	12,736
Financing Receivable, Allowance for Credit Loss	241	475
Collateral Pledged [Member] \| Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Financing receivable, gross	15,542	15,694
Financing Receivable, Allowance for Credit Loss	1,580	1,058
Collateral Pledged [Member] \| Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Financing receivable, gross	5,808	5,862
Financing Receivable, Allowance for Credit Loss	568	603
Collateral Pledged [Member] \| Consumer Portfolio Segment [Member]
Financing receivable, gross	0	0
Financing Receivable, Allowance for Credit Loss	$ 0	$ 0

[1]derived from audited financial statements.

Note 5 - Loans - Loans Modified

Note 5 - Loans - Loans Modified During Period (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Percentage of total loans	0.15%	0.35%
Extended Maturity [Member]
Modified Amortized Cost	$ 18,379	$ 39,827
Payment Deferral [Member]
Modified Amortized Cost	0	1,060
Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 18,379	$ 40,886
Commercial Real Estate Portfolio Segment [Member]
Percentage of total loans	0.05%	0.24%
Total payment deferral	$ 0	$ 0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member]
Modified Amortized Cost	5,568	28,335
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral [Member]
Modified Amortized Cost	0	0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 5,568	$ 28,335
Commercial Real Estate Portfolio Segment [Member] \| Minimum [Member]
Term extension (Year)	1 year	3 years
Commercial Real Estate Portfolio Segment [Member] \| Maximum [Member]
Term extension (Year)	6 years	12 years
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Percentage of total loans	0.01%
Term extension (Year)	12 years	6 years
Total payment deferral	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Percentage of total loans	0.01%	0.01%
Term extension (Year)	12 years
Total payment deferral	$ 0	$ 49
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Percentage of total loans	0%	0%
Term extension (Year)	12 years	3 years
Total payment deferral	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Percentage of total loans	0.08%	0.10%
Term extension (Year)	11 years
Total payment deferral	$ 0	$ 59
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Construction Loans [Member]
Modified Amortized Cost	973
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	1,501	23
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| One to Four Family [Member]
Modified Amortized Cost	424	214
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Other Mortgages [Member]
Modified Amortized Cost	9,913	11,254
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	0	701
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| One to Four Family [Member]
Modified Amortized Cost	0	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	0	359
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost	973
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	1,501	724
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| One to Four Family [Member]
Modified Amortized Cost	424	214
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	$ 9,913	$ 11,613
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Other Mortgages [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		18 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Other Mortgages [Member]
Term extension (Year)		36 years

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual) - USD ($) $ in Millions	3 Months Ended
Note 6 - Leases (Details Textual) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Lessee, Operating Lease, Remaining Lease Term (Year)	15 years
Operating Lease, Right-of-Use Asset	$ 25.3		$ 26.5
Operating Lease, Liability	$ 26.3		$ 27.4
Operating Lease, Weighted Average Remaining Lease Term (Year)	8 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	3.68%
Operating Lease, Payments	$ 1.4	$ 1.2

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
2024 (remaining)	$ 3,872
2025	4,933
2026	4,106
2027	3,537
2028	2,684
thereafter	11,901
Total lease payments	31,033
Less: imputed interest	(4,689)
Present value of operating lease liabilities	26,300	$ 27,400
Other Liabilities [Member]
Present value of operating lease liabilities	$ 26,344

Note 6 - Leases - Lease Costs (

Note 6 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating lease cost	$ 1,393	$ 1,230
Variable lease cost	216	191
Sublease income	(5)	(8)
Net lease cost	$ 1,604	$ 1,413

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)		3 Months Ended
	Dec. 31, 2014	Mar. 31, 2024	Mar. 31, 2023
Share-Based Payment Arrangement, Expense		$ 958,000	$ 808,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)		0	0
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 35,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month)		6 months
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 5,300,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month)		1 year 9 months 18 days
Performance Shares [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 1,200,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month)		2 years 1 month 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		3 years
Performance Shares [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage		0%
Performance Shares [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage		150%
The 2009 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)	5,550,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)	10 years

Note 7 - Employee and Directo_4

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - Share-Based Payment Arrangement, Option [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Outstanding, shares (in shares)	165,800	280,000	280,000
Outstanding, weighted average exercise price (in dollars per share)	$ 24.35	$ 19.43	$ 19.43
Outstanding, weighted average remaining contractual term (Year)	2 years 8 months 12 days	3 years 4 months 24 days	2 years 10 months 24 days	3 years
Outstanding, aggregate intrinsic value	$ 6,744	$ 7,428	$ 7,211	$ 14,088
Exercised, shares (in shares)	(8,300)	(75,000)
Exercised, weighted average exercise price (in dollars per share)	$ 15.74	$ 10.8
Exercised, weighted average remaining contractual term (Year)	10 months 24 days	10 months 24 days
Exercised, aggregate intrinsic value	$ 420	$ 3,288
Outstanding, shares (in shares)	157,500	205,000	165,800	280,000
Outstanding, weighted average exercise price (in dollars per share)	$ 24.8	$ 22.59	$ 24.35	$ 19.43
Exercisable, shares (in shares)	140,000	152,000
Exercisable, weighted average exercise price (in dollars per share)	$ 22.63	$ 17.28
Exercisable, weighted average remaining contractual term (Year)	2 years 1 month 6 days	2 years 2 months 12 days
Exercisable, aggregate intrinsic value	$ 6,122	$ 5,859

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Restricted Stock and Performance Shares Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restricted Stock [Member]
Non-vested, shares (in shares)	158,298	141,580
Non-vested, weighted average grant date fair value (in dollars per share)	$ 58.08	$ 56.39
Granted, shares (in shares)	21,835	27,258
Granted, weighted average grant date fair value (in dollars per share)	$ 67.12	$ 69.83
Additional performance share attainment (in shares)	0
Additional performance share attainment, weighted average grant date fair value (in dollars per share)	$ 0
Vested, shares (in shares)	(25,107)	(17,521)
Vested, weighted average grant date fair value (in dollars per share)	$ 48.19	$ 48.32
Forfeited, shares (in shares)	(576)	(6,545)
Forfeited, weighted average grant date fair value (in dollars per share)	$ 71.43	$ 69.9
Non-vested, shares (in shares)	154,450	144,772
Non-vested, weighted average grant date fair value (in dollars per share)	$ 60.92	$ 59.29
Performance Shares [Member]
Non-vested, shares (in shares)	31,944	23,852
Non-vested, weighted average grant date fair value (in dollars per share)	$ 58.25	$ 54.16
Granted, shares (in shares)	8,894	8,091
Granted, weighted average grant date fair value (in dollars per share)	$ 67.9	$ 70.29
Additional performance share attainment (in shares)	6,216
Additional performance share attainment, weighted average grant date fair value (in dollars per share)	$ 68.18
Vested, shares (in shares)	(18,653)	0
Vested, weighted average grant date fair value (in dollars per share)	$ 37.05	$ 0
Forfeited, shares (in shares)	0	0
Forfeited, weighted average grant date fair value (in dollars per share)	$ 0	$ 0
Non-vested, shares (in shares)	28,401	31,943
Non-vested, weighted average grant date fair value (in dollars per share)	$ 77.37	$ 58.25

Note 8 - Derivatives (Details T

Note 8 - Derivatives (Details Textual) - Interest Rate Cap [Member] - USD ($) $ in Millions	1 Months Ended
	May 31, 2020	Mar. 31, 2023
Derivative, Term of Contract (Year)	3 years
Derivative, Notional Amount	$ 300
Derivative, Cap Interest Rate	0.50%
Derivative, Fair Value, Net		$ 1.2
Derivative, Remaining Maturity (Month)		1 month

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurement (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Asset Impairment Charges	$ 1,100,000	$ 2,300,000
Real Estate Owned, Amount of Loss at Acquisition	95,000	$ 0
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure	450,000		$ 360,000
Mortgage Loans in Process of Foreclosure, Amount	547,000		292,000
Liabilities	14,245,594,000		14,689,263,000	[1]
Fair Value, Recurring [Member]
Liabilities			0
Fair Value, Nonrecurring [Member]
Liabilities	$ 0		$ 0
Minimum [Member]
Impaired Loans, Fair Value Adjustment, Percent	0%		0%
Real Estate Owned, Fair Value Adjustment, Percent	25%		25%
Maximum [Member]
Impaired Loans, Fair Value Adjustment, Percent	68%		66%
Real Estate Owned, Fair Value Adjustment, Percent	100%		100%
Weighted Average [Member]
Impaired Loans, Fair Value Adjustment, Percent	24%		25%
Real Estate Owned, Fair Value Adjustment, Percent	49.70%		38.30%

[1]derived from audited financial statements.

Note 11 - Fair Value Measurem_4

Note 11 - Fair Value Measurement - Financial Assets and Financial Liabilities Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Available for sale, fair value	$ 1,073,929	$ 900,183	[1]
US Treasury Securities [Member]
Available for sale, fair value	493,969	340,807
Collateralized Mortgage-Backed Securities [Member]
Available for sale, fair value	254,915	215,485
US States and Political Subdivisions Debt Securities [Member]
Available for sale, fair value	9,958	10,223
Corporate Debt Securities [Member]
Available for sale, fair value	315,086	333,667
Fair Value, Recurring [Member]
Available for sale, fair value	1,073,929	900,183
Total assets at fair value	1,073,929	900,183
Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available for sale, fair value	493,969	340,807
Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available for sale, fair value	254,915	215,485
Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available for sale, fair value	9,958	10,223
Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available for sale, fair value	315,086	333,668
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Available for sale, fair value	493,969	340,807
Total assets at fair value	493,969	340,807
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available for sale, fair value	493,969	340,807
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Available for sale, fair value	579,959	552,516
Total assets at fair value	579,959	552,516
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available for sale, fair value	254,915	215,485
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available for sale, fair value	9,958	10,223
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available for sale, fair value	315,086	326,808
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Available for sale, fair value	0	6,860
Total assets at fair value	0	6,860
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available for sale, fair value	0	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available for sale, fair value	$ 0	$ 6,860

[1]derived from audited financial statements.

Note 11 - Fair Value Measurem_5

Note 11 - Fair Value Measurement - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Loans individually evaluated	$ 81,871	$ 70,735
Other real estate owned and repossessed assets	490	995
Total assets at fair value	82,361	71,730
Fair Value, Inputs, Level 1 [Member]
Loans individually evaluated	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 2 [Member]
Loans individually evaluated	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 3 [Member]
Loans individually evaluated	81,871	70,735
Other real estate owned and repossessed assets	490	995
Total assets at fair value	$ 82,361	$ 71,730

Note 11 - Fair Value Measurem_6

Note 11 - Fair Value Measurement - Level 3 of Valuation Hierarchy Measured at Fair Value (Details) - Debt Security, Corporate, US [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Fair value, beginning of period	$ 6,860	$ 10,860
Transfers into Level 3	0	0
Total realized gains included in income	0	0
Changes in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at period-end	(1,329)	160
Purchases	0	0
Transfers out of Level 3	(5,531)	(4,160)
Fair value, end of period	$ 0	$ 6,860

Note 11 - Fair Value Measurem_7

Note 11 - Fair Value Measurement - Financial Assets and Liabilities Carried at Fair Value on Recurring Basis or Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and cash equivalents	$ 78,708	$ 123,430	[1]
Held to maturity debt securities, fair value	785,270	907,191
Federal funds sold	170,625	100,575	[1]
Mortgage loans held for sale	7,592	5,074	[1]
Restricted equity securities	11,300	10,226	[1]
Loans, net	11,724,804	11,505,512	[1]
Federal funds purchased	1,345,328	1,256,724	[1]
Fair Value, Inputs, Level 1 [Member] \| Reported Value Measurement [Member]
Cash and cash equivalents	1,280,274	2,030,513
Held to maturity debt securities, fair value	393,932	508,985
Fair Value, Inputs, Level 1 [Member] \| Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	1,280,274	2,030,513
Held to maturity debt securities, fair value	368,868	484,267
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member]
Held to maturity debt securities, fair value	473,514	473,429
Federal funds sold	170,625	100,575
Mortgage loans held for sale	7,592	5,071
Restricted equity securities	11,300	10,226
Deposits	12,751,448	13,273,511
Federal funds purchased	1,345,328	1,256,724
Other borrowings	64,737	64,735
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member]
Held to maturity debt securities, fair value	416,152	422,674
Federal funds sold	170,625	100,575
Mortgage loans held for sale	7,592	5,071
Restricted equity securities	11,300	10,226
Deposits	12,743,505	13,266,640
Federal funds purchased	1,345,328	1,256,724
Other borrowings	58,337	58,083
Fair Value, Inputs, Level 3 [Member] \| Reported Value Measurement [Member]
Held to maturity debt securities, fair value	250	250
Loans, net	11,642,933	11,505,512
Fair Value, Inputs, Level 3 [Member] \| Estimate of Fair Value Measurement [Member]
Held to maturity debt securities, fair value	250	250
Loans, net	$ 11,195,399	$ 11,032,819

[1]derived from audited financial statements.