Description Of Business And Basis Of Presentation (Summary Of Effect Of Error On Statements Of Equity) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	$ 24,768		$ 56,573	$ 157,013
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	50,199
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(25,431)
Retained (Loss) Earnings [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(177,456)	$ (165,147)	(144,534)	(46,090)	$ (4,477)	$ 9,067
Retained (Loss) Earnings [Member] \| As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(152,025)	(139,716)	(119,103)
Retained (Loss) Earnings [Member] \| Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(25,431)	$ (25,431)	$ (25,431)
Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(66,924)			$ 64,579
Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member] \| As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	(41,493)
Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member] \| Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Equity	$ (25,431)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

- Definition

Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity.

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+ Details

CENTURY CASINOS INC /CO/ 10-Q/A