Long-Term Debt (Narrative) (Details) € in Millions, £ in Millions, zł in Millions, $ in Millions | | | 1 Months Ended | 3 Months Ended | | | | |
Apr. 22, 2022 PLN (zł) | Apr. 01, 2022 USD ($) | Mar. 31, 2023 USD ($) item | Feb. 28, 2023 | Apr. 30, 2022 PLN (zł) | Dec. 31, 2019 USD ($) | Mar. 31, 2023 USD ($) item | Mar. 31, 2023 EUR (€) item | Mar. 31, 2022 USD ($) | Mar. 31, 2023 PLN (zł) item | Mar. 31, 2023 GBP (£) item | Mar. 31, 2023 EUR (€) item | Mar. 31, 2023 CAD ($) item | Dec. 31, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2021 EUR (€) | Mar. 31, 2020 USD ($) |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Amortization of deferred financing costs | | | | | | | $ 674,000 | | $ 391,000 | | | | | | | | |
Amount outstanding | | | $ 365,175,000 | | | | 365,175,000 | | | | | | | $ 366,424,000 | | | |
Principal payments | | | | | | | 38,000 | | 41,000 | | | | | | | | |
Outstanding financing obligation | | | 576,000 | | | | 576,000 | | | | | | | | | | |
Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | SOFR [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 5.25% | | | | | | | | | | | | | | | |
Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Amortization of deferred financing costs | | | | | | | | | 400,000 | | | | | | | | |
Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Deposits maintained for payment of casino jackpots and gaming tax obligations | zł | | | | | | | | | | zł 3.6 | | | | | | | |
Deposits guarantees for payment of prizes and giveaways | | | $ 200,000 | | | | $ 200,000 | | | 0.7 | | | | | | | |
Century Downs Racetrack And Casino [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Options to purchase land | item | | | | | | | 4 | 4 | | | | | | | | | |
First option date | | | Sep. 01, 2023 | Jul. 01, 2023 | | | | | | | | | | | | | |
Principal payments | | | | | | | $ 0 | | | | | | | | | | |
Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Percentage of the net cash proceeds of non-ordinary course asset sales or certain casualty events | | 100% | | | | | | | | | | | | | | | |
Percentage of annual excess cash flow | | 50% | | | | | | | | | | | | | | | |
Amount outstanding | | | $ 346,500,000 | | | | 346,500,000 | | | | | | | | | | |
Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Percentage of annual excess cash flow | | 25% | | | | | | | | | | | | | | | |
Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Percentage of annual excess cash flow | | 0% | | | | | | | | | | | | | | | |
UniCredit Term Loans [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Amount outstanding | | | 4,265,000 | | | | 4,265,000 | | | | | | | | | | |
BMO Credit Agreement [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Repayment amount | | | | | | $ 52,000,000 | | | | | | | | | | | |
Line Of Credit With mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | zł | | | | | | | | | | 5 | | | | | | | |
Line of credit facility amount available for borrowing | | | 1,200,000 | | | | 1,200,000 | | | 5 | | | | | | | |
Amount outstanding | | | 0 | | | | $ 0 | | | | | | | | | | |
Line Of Credit With mBank [Member] | Casinos Poland [Member] | WIBOR [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate percentage points | | | | | | | 2% | 2% | | | | | | | | | |
Line Of Credit With mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | zł | | | | | zł 10 | | | | | | | | | | | | |
Line of credit available for cash borrowing removed | zł | zł 2.5 | | | | | | | | | | | | | | | | |
Guarantee From mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Bank guarantee issued for payment of casino jackpots and gaming tax obligations | | | (800,000) | | | | $ (800,000) | | | | | | | | | | |
Deposits maintained for payment of casino jackpots and gaming tax obligations | | | 800,000 | | | | 800,000 | | | 3.6 | | | | | | | |
Deposit for secured by land owned | | | 300,000 | | | | 300,000 | | | zł 1.2 | | | | | | | |
Goldman Credit Agreement [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Amortization of deferred financing costs | | | | | | | 700,000 | | | | | | | | | | |
Goldman Credit Agreement [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | $ 350,000,000 | | | | | | | | | | | | | | | |
Maturity date | | Apr. 01, 2029 | | | | | | | | | | | | | | | |
Scheduled quarterly payments | | $ 875,000 | | | | | | | | | | | | | | | |
Percentage of quarterly payments equal to original principal | | 0.25% | | | | | | | | | | | | | | | |
Goldman Credit Agreement [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | SOFR [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 6% | | | | | | | | | | | | | | | |
Goldman Credit Agreement [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | ABR [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 5% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | SOFR [Member] | Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 4.75% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | ABR [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 4.25% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | ABR [Member] | Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 3.75% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | $ 30,000,000 | | | | | | | | | | | | | | | |
Line of credit facility amount available for borrowing | | | $ 30,000,000 | | | | $ 30,000,000 | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.75 | | | | | | | | | | | | | | | |
Fronting fee percentage | | 0.125% | | | | | | | | | | | | | | | |
Maturity date | | Apr. 01, 2027 | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | SOFR [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 5% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | ABR [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | 4% | | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | | | | | 10,000,000 | | | | | | | | | | | |
Line Of Credit [Member] | Century Resorts Management [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | | | | | | | | | | | | | | $ 7,400,000 | | |
Letter Of Credit [Member] | Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | | | | | 5,000,000 | | | | | | | | | | | |
Credit Agreement [Member] | Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | | | | | 180,000,000 | | | | | | | | | | | |
Repayment amount | | $ 166,200,000 | | | | | | | | | | | | | | | |
Credit Agreement [Member] | Term Loan [Member] | Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | | | | | $ 170,000,000 | | | | | | | | | | | |
Credit Agreement [Member] | UniCredit Term Loans [Member] | Century Resorts Management [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Number of credit agreements | item | | | 2 | | | | 2 | | | 2 | 2 | 2 | 2 | | | | |
First Credit Agreement [Member] | UniCredit Term Loans [Member] | Century Resorts Management [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Line of credit facility | £ | | | | | | | | | | | £ 2 | | | | | | |
Expiration date | | | | | | | Sep. 30, 2023 | Sep. 30, 2023 | | | | | | | | | |
Line of credit facility amount available for borrowing | | | $ 0 | | | | $ 0 | | | | | | | | | | |
Amount outstanding | | | $ 300,000 | | | | $ 300,000 | | | | | | | | | | |
Debt Instrument, Covenant Compliance | | | | | | | no financial covenants | no financial covenants | | | | | | | | | |
First Credit Agreement [Member] | UniCredit Term Loans [Member] | Century Resorts Management [Member] | LIBOR [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate percentage points | | | | | | | 1.625% | 1.625% | | | | | | | | | |
Second Credit Agreement [Member] | UniCredit Term Loans [Member] | Century Resorts Management [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate | | | 2.875% | | | | 2.875% | | | 2.875% | 2.875% | 2.875% | 2.875% | | | | |
Term loan | € | | | | | | | | | | | | | | | | € 6 | |
Line of credit facility | | | | | | | | | | | | | | | | | $ 7,400,000 |
Line of credit facility amount available for borrowing | | | $ 0 | | | | $ 0 | | | | | | | | | | |
Guaranteed amount | € | | | | | | | | € 6 | | | | | | | | | |
Maturity date | | | | | | | Dec. 31, 2025 | Dec. 31, 2025 | | | | | | | | | |
Amount outstanding | | | 4,000,000 | | | | $ 4,000,000 | | | | | € 3.7 | | | | | |
Debt Instrument, Covenant Compliance | | | | | | | no financial covenants | no financial covenants | | | | | | | | | |
Third Credit Agreement [Member] | Term Loan With mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | zł | | | | | | | | | | zł 2.5 | | | | | | | |
Third Credit Agreement [Member] | Term Loan With mBank [Member] | Casinos Poland [Member] | WIBOR [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Interest rate percentage points | | | | | 1.90% | | | | | | | | | | | | |
Minimum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.25 | | | | | | | | | | | | | | | |
Minimum [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.25 | | | | | | | | | | | | | | | |
Minimum [Member] | Guarantee From mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Terminate date | | | | | | | 2024-06 | 2024-06 | | | | | | | | | |
Minimum [Member] | Revolving Credit Facility [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Percentage of principal amount of unused commitments | | 0.375% | | | | | | | | | | | | | | | |
Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.75 | | | | | | | | | | | | | | | |
Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.25 | | | | | | | | | | | | | | | |
Maximum [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.75 | | | | | | | | | | | | | | | |
Maximum [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Consolidated First Lien Net Leverage Ratio | | 2.25 | | | | | | | | | | | | | | | |
Maximum [Member] | Guarantee From mBank [Member] | Casinos Poland [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Terminate date | | | | | | | 2026-01 | 2026-01 | | | | | | | | | |
Maximum [Member] | Goldman Credit Agreement [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Customary agency fees | | | | | | | $ 100,000 | | | | | | | | | | |
Maximum [Member] | Revolving Credit Facility [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Percentage of principal amount of unused commitments | | 0.50% | | | | | | | | | | | | | | | |
Maximum [Member] | Revolving Credit Facility [Member] | Macquarie Capital [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Commitment fees | | | | | | | | | $ 100,000 | | | | | | | | |
Maximum [Member] | Letter Of Credit [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Maximum borrowing capacity | | $ 10,000,000 | | | | | | | | | | | | | | | |
Century Downs Racetrack And Casino [Member] | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | |
Outstanding balance on financing obligation | | | $ 14,400,000 | | | | $ 14,400,000 | | | | | | $ 19.5 | | | | |