Condensed Consolidated Statements Of (Deficit) Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Total Century Casinos, Inc. Shareholders' (Deficit) Equity [Member]	Non-controlling Interests [Member]	Total
Balance, beginning of period at Dec. 31, 2024	$ 307	$ 123,922	$ (14,426)	$ (144,534)		$ 91,304
Net (loss) earnings				(32,922)		4,470	$ (32,922)
Foreign currency translation adjustment			1,201			591	1,792
Stock-based compensation		486
Common stock repurchases (including incremental costs)	(4)	(954)
Distributions to non-controlling interests						(4,673)
Balance, end of period at Jun. 30, 2025	$ 303	123,454	(13,225)	(177,456)	$ (66,924)	91,692	24,768
Common shares repurchased and retired	(428,734)
Balance, beginning of period at Mar. 31, 2025	$ 307	124,212	(13,720)	(165,147)		91,489
Net (loss) earnings				(12,309)		2,736	(12,309)
Foreign currency translation adjustment			495			210	705
Stock-based compensation		196
Common stock repurchases (including incremental costs)	(4)	(954)
Distributions to non-controlling interests						(2,743)
Balance, end of period at Jun. 30, 2025	$ 303	123,454	(13,225)	(177,456)	(66,924)	91,692	24,768
Common shares repurchased and retired	(428,734)
Balance, beginning of period at Dec. 31, 2025	$ 287	121,055	(13,089)	(205,950)		90,915	(6,782)
Net (loss) earnings				(27,414)		3,325	(27,414)
Foreign currency translation adjustment			(35)			(111)	(146)
Stock-based compensation		372
Common stock repurchases (including incremental costs)	(6)	(891)
Distributions to non-controlling interests						(4,004)
Balance, end of period at Jun. 30, 2026	$ 281	120,536	(13,124)	(233,364)	(125,671)	90,125	(35,546)
Common shares issued	7,317
Common shares repurchased and retired	(604,427)
Balance, beginning of period at Mar. 31, 2026	$ 285	120,804	(13,377)	(222,454)		90,449
Net (loss) earnings				(10,910)		1,605	(10,910)
Foreign currency translation adjustment			253			68	321
Stock-based compensation		211
Common stock repurchases (including incremental costs)	(4)	(479)
Distributions to non-controlling interests						(1,997)
Balance, end of period at Jun. 30, 2026	$ 281	$ 120,536	$ (13,124)	$ (233,364)	$ (125,671)	$ 90,125	$ (35,546)
Common shares repurchased and retired	(328,754)