Segment Information (Schedule Of Information By Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Net operating revenue	$ 155,701	$ 161,179	$ 438,147	$ 406,448
Earnings from equity investment				1,121
Earnings (loss) before income taxes	(7,059)	(16,534)	(32,133)	(11,421)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(8,119)	(14,175)	(63,276)	(17,377)
Interest expense (income), net	25,104	31,368	75,316	67,099
Income tax expense (benefit)	(334)	(3,068)	25,299	(1,349)
Depreciation and amortization	12,462	12,518	36,942	29,562
Net earnings (loss) attributable to non-controlling interests	1,394	709	5,844	7,305
Non-cash stock-based compensation	(280)	1,082	566	2,746
(Gain) loss on foreign currency transactions, cost recovery income and other	(101)	1,140	(2,693)	(3,927)
Loss (gain) on disposition of fixed assets	23	80	866	526
Acquisition costs		3,693	(19)	4,101
Pre-opening expenses	2,753		2,753
Adjusted EBITDAR	32,902	33,347	81,598	88,686
Loss on debt extinguishment			(146)	7,299
Earn outs		341		1,587
Cost recovery income			1,066	3,501
United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	117,139	116,861	319,680	277,636
Earnings (loss) before income taxes	6,475	7,861	5,601	25,244
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	4,701	5,273	(25,066)	17,026
Interest expense (income), net	11,720	11,951	35,159	26,370
Income tax expense (benefit)		818	25,340	4,656
Depreciation and amortization	10,939	10,706	32,030	24,065
Net earnings (loss) attributable to non-controlling interests	1,774	1,770	5,327	3,562
(Gain) loss on foreign currency transactions, cost recovery income and other	25	(85)	24	(85)
Loss (gain) on disposition of fixed assets	13	56	535	492
Adjusted EBITDAR	29,172	30,489	73,349	76,086
Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	20,275	20,921	58,425	56,262
Earnings (loss) before income taxes	614	(6,586)	4,853	4,453
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	1,134	(1,730)	3,276	2,865
Interest expense (income), net	3,241	8,706	9,300	9,776
Income tax expense (benefit)	(481)	(3,403)	702	(624)
Depreciation and amortization	1,078	1,102	3,315	3,374
Net earnings (loss) attributable to non-controlling interests	(39)	(1,453)	875	2,212
(Gain) loss on foreign currency transactions, cost recovery income and other	(44)	1,484	(1,950)	(3,228)
Loss (gain) on disposition of fixed assets			(36)	5
Adjusted EBITDAR	4,889	4,706	15,482	14,380
Loss on debt extinguishment		7,300		7,300
Earn outs		300		1,600
Cost recovery income			1,100	3,500
Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	18,287	23,397	60,029	72,489
Earnings (loss) before income taxes	(1,117)	1,558	(931)	5,995
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(681)	788	(716)	3,066
Interest expense (income), net	(14)	(74)	(70)	(285)
Income tax expense (benefit)	(95)	378	143	1,398
Depreciation and amortization	409	653	1,462	1,948
Net earnings (loss) attributable to non-controlling interests	(341)	392	(358)	1,531
(Gain) loss on foreign currency transactions, cost recovery income and other	(83)	(213)	(415)	(572)
Loss (gain) on disposition of fixed assets	10	24	367	25
Pre-opening expenses	2,753		2,753
Adjusted EBITDAR	1,958	1,948	3,166	7,111
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue			13	61
Earnings from equity investment				1,121
Earnings (loss) before income taxes	(13,031)	(19,367)	(41,656)	(47,113)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(13,273)	(18,506)	(40,770)	(40,334)
Interest expense (income), net	10,157	10,785	30,927	31,238
Income tax expense (benefit)	242	(861)	(886)	(6,779)
Depreciation and amortization	36	57	135	175
Non-cash stock-based compensation	(280)	1,082	566	2,746
(Gain) loss on foreign currency transactions, cost recovery income and other	1	(46)	(352)	(42)
Loss (gain) on disposition of fixed assets				4
Acquisition costs		3,693	(19)	4,101
Adjusted EBITDAR	$ (3,117)	$ (3,796)	$ (10,399)	$ (8,891)