Acquisition and Equity Investment (Schedule of Summarized Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Schedule of Equity Method Investments [Line Items]
Net operating revenue	$ 136,761	$ 111,122	$ 245,268	$ 214,224
Earnings from continuing operations	18,629	20,802	37,028	33,846
Net earnings	363	9,851	3,394	12,560
Net earnings attributable to Century Casinos, Inc.	(1,959)	8,856	(3,202)	9,074
Smooth Borbon Investment [Member]
Schedule of Equity Method Investments [Line Items]
Net operating revenue	207	3,770	4,059	3,770
Earnings from continuing operations	104	3,749	3,833	3,749
Net earnings	60	2,126	2,241	2,126
Net earnings attributable to Century Casinos, Inc.	$ 30	$ 1,063	$ 1,121	$ 1,063