Segment Information (Aggregation Of Operating Segments Into Reportable Segments) (Details)	3 Months Ended
	Mar. 31, 2021
Colorado [Member] | United States [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino & Hotel - Central City
Colorado [Member] | United States [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino & Hotel - Cripple Creek
West Virginia [Member] | United States [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Mountaineer Casino, Racetrack & Resort
Missouri [Member] | United States [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino Cape Girardeau
Missouri [Member] | United States [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino Caruthersville
Edmonton [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino & Hotel - Edmonton
Edmonton [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Casino St. Albert
Edmonton [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Mile Racetrack and Casino
Calgary [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Downs Racetrack and Casino
Calgary [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Sports
Calgary [member] | Canada [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Century Bets! Inc.
Poland [Member] | Poland [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Casinos Poland
Corporate And Other [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Cruise Ships & Other
Corporate And Other [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Reporting Unit	Corporate Other