Long-Term Debt (Narrative) (Details) € in Millions, £ in Millions, zł in Millions, $ in Millions			1 Months Ended		3 Months Ended			9 Months Ended
	Apr. 22, 2022 PLN (zł)	Apr. 01, 2022 USD ($)	Nov. 30, 2021 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2022 USD ($) item	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) item	Sep. 30, 2022 EUR (€) item	Sep. 30, 2021 USD ($)	Sep. 30, 2022 PLN (zł) item	Sep. 30, 2022 GBP (£) item	Sep. 30, 2022 EUR (€) item	Sep. 30, 2022 CAD ($) item	Dec. 31, 2021 USD ($)	Jun. 23, 2021 USD ($)	Jun. 23, 2021 EUR (€)	Mar. 31, 2020 USD ($)
Debt Instrument [Line Items]
Amortization of deferred financing costs								$ 9,042,000		$ 1,174,000
Amount outstanding					$ 367,276,000			367,276,000							$ 189,179,000
Principal payments								115,000		93,000
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	400,000		1,200,000
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					100,000			$ 100,000			0.6
Century Downs Racetrack And Casino [Member]
Debt Instrument [Line Items]
Options to purchase land | item								4	4
First option date								Jul. 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		100.00%
Percentage of annual excess cash flow		50.00%
Prepayment premium percentage		1.00%
Percentage of funds in acquisition escrow		100.00%
Amount outstanding					348,300,000			348,300,000
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		25.00%
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		0.00%
Term Loan [Member] | Macquarie Capital [Member]
Debt Instrument [Line Items]
Amortization of deferred financing costs						$ 7,300,000
UniCredit Term Loans [Member]
Debt Instrument [Line Items]
Amount outstanding					4,797,000			4,797,000
BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Repayment amount				$ 52,000,000.0
Line Of Credit With mBank [Member] | Casinos Poland [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity | zł											5.0
Line of credit facility amount available for borrowing					1,000,000.0			1,000,000.0			5.0
Amount outstanding					0			$ 0
Line Of Credit With mBank [Member] | Casinos Poland [Member] | WIBOR [Member]
Debt Instrument [Line Items]
Interest rate percentage points								2.00%	2.00%
Line Of Credit With mBank [Member] | Casinos Poland [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity | zł	zł 10.0
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					(700,000)			$ (700,000)
Deposits maintained for payment of casino jackpots and gaming tax obligations					700,000			700,000			3.6
Deposit for secured by land owned					200,000			200,000			zł 1.2
Goldman Credit Agreement [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member]
Debt Instrument [Line Items]
Deferred financing costs					18,900,000			18,900,000
Amortization of deferred financing costs					700,000			1,300,000
Goldman Credit Agreement [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 350,000,000.0
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		6.00%
Goldman Credit Agreement [Member] | Term Loan [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | ABR [Member]
Debt Instrument [Line Items]
Interest rate		5.00%
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		$ 30,000,000.0
Line of credit facility amount available for borrowing					$ 30,000,000.0			$ 30,000,000.0
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		5.00%
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		4.00%
Revolving Credit Facility [Member] | Macquarie Capital [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				10,000,000.0
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				5,000,000.0
Credit Agreement [Member] | Macquarie Capital [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				180,000,000.0
Repayment amount		$ 166,200,000
Credit Agreement [Member] | Term Loan [Member] | Macquarie Capital [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 170,000,000.0
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 | £												£ 2.0
Expiration date								Sep. 30, 2023	Sep. 30, 2023
Line of credit facility amount available for borrowing					$ 0			$ 0
Amount outstanding					$ 500,000			$ 500,000
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%
First Credit Agreement [Member] | Term Loan With mBank [Member] | Casinos Poland [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 3,000,000.0
First Credit Agreement [Member] | Term Loan With mBank [Member] | Casinos Poland [Member] | WIBOR [Member]
Debt Instrument [Line Items]
Interest rate percentage points			1.70%
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 | €																	€ 6.0
Line of credit facility																		$ 7,400,000
Line of credit facility amount available for borrowing					$ 0			$ 0
Guaranteed amount | €									€ 6.0
Maturity date								Dec. 31, 2025	Dec. 31, 2025
Amount outstanding					4,300,000			$ 4,300,000					€ 4.3
Debt Instrument, Covenant Compliance								no financial covenants	no financial covenants
Second Credit Agreement [Member] | Term Loan With mBank [Member] | Casinos Poland [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 4,000,000.0
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			$ 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	100,000		$ 100,000
Maximum [Member] | Letter Of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 10,000,000.0
Century Downs Racetrack And Casino [Member]
Debt Instrument [Line Items]
Outstanding balance on financing obligation					$ 14,200,000			$ 14,200,000						$ 19.5