Description Of Business And Basis Of Presentation (Narrative) (Details) $ in Thousands, $ in Millions		1 Months Ended			3 Months Ended	6 Months Ended
	Jun. 17, 2019 USD ($) property	May 31, 2019 USD ($)	Sep. 30, 2017 USD ($)	Aug. 31, 2017 item	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($) item	Jun. 30, 2018 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 CAD ($) item	Jun. 30, 2019 USD ($) item	Apr. 30, 2018	Oct. 31, 2014
Description Of Business And Basis Of Presentation [Line Items]
Number of ship-based casinos | item										5	5
Wrote-down in property, equipment and net receivables											$ 1,000
Loss on sale of investment						$ (1)	$ (1)
Forecast [Member]
Description Of Business And Basis Of Presentation [Line Items]
Annual payment								$ 300	$ 100
Lot Polish Airlines Invesment [Member] | Polish Airports Company [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest										33.30%	33.30%
Casinos Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										66.60%	66.60%
Number of casino licenses owned | item						8
Number of casino licenses operating | item						7
Century Bets [Member] | Rocky Mountain Turf Club [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest										25.00%	25.00%
Hamilton Properties Ltd. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of slot machines | item				200
Number of table games | item				17
Number of electronic table games | item				1
Loan for purchase of equipment			$ 5,000
Century Mile [Member] | Multi-Level REC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Project cost										$ 61.5	$ 47,000
Century Resorts Management GmbH [Member] | Mendoza Central Entretenimientos S. A. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest										7.50%	7.50%		7.50%
Century Resorts Management GmbH [Member] | Percentage Of Century Downs Racetrack Owned By Century Casinos Europe [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										75.00%	75.00%
Century Resorts Management GmbH [Member] | Century Bets [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										75.00%	75.00%
Golden Hospitality Ltd. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Proceeds from sold of interest in GHL		$ 700
Loss on sale of investment					$ 100	$ 100
Non-interest bearing promissory note		$ 700
Golden Hospitality Ltd. [Member] | Century Resorts Management [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										51.00%	51.00%	51.00%
Century Downs Racetrack And Casino [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										75.00%	75.00%
Century Downs Racetrack And Casino [Member] | Unaffiliated Shareholders [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest										25.00%	25.00%
Minh Chau Ltd. [Member] | Golden Hospitality Ltd. [Member] | Golden Hospitality Ltd. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										9.21%	9.21%
Minh Chau Ltd. [Member] | Golden Hospitality Ltd. [Member] | Future Invesment [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										51.00%	51.00%
Minh Chau Ltd. [Member] | Golden Hospitality Ltd. [Member] | Option to Purchase [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage										70.00%	70.00%
Cape Girardeau, Caruthersville, Mountaineer, Eldorado Resorts Acquisition [Member]
Description Of Business And Basis Of Presentation [Line Items]
Payments for acquisition	$ 107,000
VICI [Member]
Description Of Business And Basis Of Presentation [Line Items]
Payments for acquisition	$ 278,000
Number of casinos properties | property	3
Lease annual rent	$ 25,000
Initial lease term	15 years
Four lease renewal option term	5 years
Included In Deposits And Other [Member]
Description Of Business And Basis Of Presentation [Line Items]
Restricted cash							$ 726				$ 740
Included In Deposits And Other [Member] | Century Casino Bath [Member]
Description Of Business And Basis Of Presentation [Line Items]
Restricted cash											600
Deposits Related To Payments Of Prizes and Giveaways [Member] | Casinos Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Restricted cash											$ 100