Significant Accounting Policies And Restatement Of Previously Issued Consolidated Financial Statements (Summary Of Effect Of Error On Statements Of Equity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	$ (146,516)	$ (18,489)	$ 13,670
Total Equity	56,573	214,441	154,199
Retained (Loss) Earnings [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	(153,601)	(28,198)	7,976
Total Equity	(144,534)	9,067	37,265	$ 29,289
Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(34,731)	$ 121,392	$ 144,028
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	(121,085)
Total Equity	82,004
As Previously Reported [Member] | Retained (Loss) Earnings [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	(128,170)
Total Equity	(119,103)
As Previously Reported [Member] | Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(9,300)
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	(25,431)
Total Equity	(25,431)
Adjustments [Member] | Retained (Loss) Earnings [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (loss) earnings	(25,431)
Total Equity	(25,431)
Adjustments [Member] | Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	$ (25,431)