Description Of Business And Basis Of Presentation (Narrative) (Details) $ in Thousands, $ in Millions			1 Months Ended				9 Months Ended
	Aug. 05, 2019 USD ($)	Jun. 17, 2019 USD ($) property	Aug. 31, 2019 CAD ($)	May 31, 2019 USD ($)	Sep. 30, 2017 USD ($)	Aug. 31, 2017 item	Sep. 30, 2019 USD ($) item	Sep. 30, 2018 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 CAD ($) item	Sep. 30, 2019 USD ($) item	Jul. 31, 2019	Jun. 30, 2019 USD ($)	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 casinos owned and operated | item							8
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	$ 46,400
Century Bets [Member] | Rocky Mountain Turf Club [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage			25.00%										75.00%
Purchased amount for ownership interest	$ 200		$ 0.2
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%
Golden Hospitality Ltd. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Loss on sale of investment							$ (100)
Proceeds from 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%
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								$ 721				$ 874
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												$ 300