Significant Accounting Policies And Restatement Of Previously Issued Consolidated Financial Statements (Summary Of Effect Of Error On Statements Of (Loss) Earnings) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment - goodwill	$ 70,189
Total operating costs and expenses	598,076	$ 487,281	$ 366,166
Earnings from operations	(22,157)	64,046	67,612
(Loss) earnings before income taxes	(119,885)	(23,832)	6,010
Income tax (expense) benefit	(26,631)	5,343	7,660
Net (loss) earnings	(146,516)	(18,489)	13,670
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	$ (153,601)	$ (28,198)	$ 7,976
Basic	$ (5.02)	$ (0.93)	$ 0.27
Diluted	$ (5.02)	$ (0.93)	$ 0.25
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment - goodwill	$ 43,716
Total operating costs and expenses	571,603
Earnings from operations	4,316
(Loss) earnings before income taxes	(93,412)
Income tax (expense) benefit	(27,673)
Net (loss) earnings	(121,085)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	$ (128,170)
Basic	$ (4.19)
Diluted	$ (4.19)
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment - goodwill	$ 26,473
Total operating costs and expenses	26,473
Earnings from operations	(26,473)
(Loss) earnings before income taxes	(26,473)
Income tax (expense) benefit	1,042
Net (loss) earnings	(25,431)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	$ (25,431)
Basic	$ (0.83)
Diluted	$ (0.83)