Description Of Business And Basis Of Presentation (Narrative) (Details) $ in Thousands, $ in Millions					1 Months Ended	3 Months Ended		12 Months Ended
	Apr. 01, 2022 USD ($)	Jul. 16, 2021 room	Feb. 12, 2021 USD ($)	Feb. 12, 2021 CAD ($)	Aug. 31, 2020	Mar. 31, 2022 USD ($) item	Mar. 31, 2022 CAD ($) item	Dec. 31, 2022 USD ($) ft²	Feb. 22, 2022	Feb. 10, 2022 USD ($)	Feb. 10, 2022 CAD ($)	Dec. 31, 2021 USD ($)	Nov. 01, 2021	May 31, 2021 item	Mar. 31, 2021 USD ($)	Aug. 05, 2020 USD ($)	Aug. 05, 2020 CAD ($)
Description Of Business And Basis Of Presentation [Line Items]
Number of ship-based casinos | item						2
Number of ship based casinos, ended | item														2
Restricted cash						$ 20
Polish Airports Company [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest by non-controlling						33.30%
Subsequent Event [Member] | Smooth Bourbon, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Purchased amount for ownership interest	$ 95,000
Ownership interest	50.00%
Payments for acquisition in cash	$ 29,300
Forecast [Member] | Smooth Bourbon, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Purchased amount for remaining ownership interest								$ 105,000
Option to acquire period								5 years
Ownership interest								50.00%
Ownership interest, remaining								50.00%
Percentage per annum, remaining ownership interest								2.00%
Forecast [Member] | Nugget Sparks, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Purchased amount for ownership interest								$ 100,000
Ownership interest								100.00%
Casinos Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage						66.60%
Number of casinos owned and operated | item						8	8
Century Resorts Management [Member] | Mendoza Central Entretenimientos S. A. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest													7.50%
Marnell Gaming, LLC [Member] | Smooth Bourbon, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest									50.00%
Marnell Gaming, LLC [Member] | Nugget Sparks, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest									100.00%
Marnell Gaming, LLC [Member] | Subsequent Event [Member] | Smooth Bourbon, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Purchased amount for ownership interest	$ 95,000
Ownership interest	50.00%
Payments for acquisition in cash	$ 29,300
Marnell Gaming, LLC [Member] | Subsequent Event [Member] | Nugget Sparks, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Annual net rent income	$ 15,000
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%
Century Sports [Member]
Description Of Business And Basis Of Presentation [Line Items]
Lease term																3 years	3 years
Annual net rent income						$ 400	$ 0.5
Century Casino Caruthersville [Member] | Hotel Project [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of rooms | room		36
Project cost						1,300
Estimated projects cost						3,600
Century Casino Caruthersville [Member] | Riverboat Casino Project [Member]
Description Of Business And Basis Of Presentation [Line Items]
Project cost						1,100
Estimated projects cost						$ 47,000
TUI Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of ship based casinos, operating | item						1
Cape Girardeau [Member] | Hotel Project [Member]
Description Of Business And Basis Of Presentation [Line Items]
Project cost						$ 600
Estimated projects cost						$ 26,000
Cape Girardeau [Member] | Forecast [Member] | Hotel Project [Member]
Description Of Business And Basis Of Presentation [Line Items]
Square footage of hotel | ft²								76,000
Smooth Bourbon, LLC [Member] | Forecast [Member] | Nugget Sparks, LLC [Member]
Description Of Business And Basis Of Presentation [Line Items]
Annual net rent								$ 15,000
Century Downs Racetrack And Casino [Member] | Unaffiliated Shareholders [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest by non-controlling						25.00%
Deposits And Other Related To Payments Of Prizes And Giveaways [Member] | Casinos Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Restricted cash						$ 200									$ 200
Deposits And Other Related To Insurance Policy [Member] | Maximum [Member]
Description Of Business And Basis Of Presentation [Line Items]
Restricted cash						$ 100									$ 100
Century Casino Calgary, Casino Operations [Member]
Description Of Business And Basis Of Presentation [Line Items]
Total consideration																$ 7,500	$ 10.0
Quarterly earn out period					3 years
Working capital			$ 100	$ 0.1
Century Casino Calgary, Land And Building [Member]
Description Of Business And Basis Of Presentation [Line Items]
Sell of land and building										$ 6,300	$ 8.0
Century Casino Calgary, Land And Building [Member] | Land [Member]
Description Of Business And Basis Of Presentation [Line Items]
Held for sale assets												$ 4,800
Century Casino Calgary, Land And Building [Member] | Buildings And Improvements [Member]
Description Of Business And Basis Of Presentation [Line Items]
Held for sale assets												$ 3,600