Condensed Consolidated Statements Of Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total Century Casinos, Inc. Shareholders' Equity [Member]	Noncontrolling Interests [Member]	Total
Balance at Dec. 31, 2021	$ 296	$ 118,469	$ (6,430)	$ 29,289		$ 8,733
Net (loss) earnings				12,018		4,752	$ 16,770
Foreign currency translation adjustment			(11,238)			(1,764)	(13,002)
Amortization of stock-based compensation		2,638
Distributions to non-controlling interests						(3,275)
Exercise of options		252
Performance stock unit issuance	3	(436)
Balance at Sep. 30, 2022	$ 299	120,923	(17,668)	41,307	$ 144,861	8,446	153,307
Common shares issued	239,233
Balance at Jun. 30, 2022	$ 299	119,970	(9,431)	38,363		9,530
Net (loss) earnings				2,944		1,266	4,210
Foreign currency translation adjustment			(8,237)			(1,035)	(9,272)
Amortization of stock-based compensation		953
Distributions to non-controlling interests						(1,315)
Balance at Sep. 30, 2022	299	120,923	(17,668)	41,307	144,861	8,446	153,307
Balance at Dec. 31, 2022	299	121,653	(15,189)	37,265		10,171	154,199
Net (loss) earnings				(17,377)		7,305	(10,072)
Foreign currency translation adjustment			646			13	659
Amortization of stock-based compensation		2,746
Distributions to non-controlling interests						(12,926)
Consolidation of Smooth Bourbon, LLC						92,125
Exercise of options		125
Performance stock unit issuance	5	(1,294)
Balance at Sep. 30, 2023	$ 304	123,230	(14,543)	19,888	128,879	96,688	225,567
Common shares issued	489,384
Balance at Jun. 30, 2023	$ 303	122,023	(11,580)	34,063		101,784
Net (loss) earnings				(14,175)		709	(13,466)
Foreign currency translation adjustment			(2,963)			(680)	(3,643)
Amortization of stock-based compensation		1,082
Distributions to non-controlling interests						(5,125)
Exercise of options		125
Performance stock unit issuance	1
Balance at Sep. 30, 2023	$ 304	$ 123,230	$ (14,543)	$ 19,888	$ 128,879	$ 96,688	$ 225,567
Common shares issued	25,000