Segment Information (Schedule Of Information By Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Net operating revenue	$ 161,179	$ 112,552	$ 406,448	$ 326,776
Earnings from equity investment		1,071	1,121	2,134
Earnings (loss) before income taxes	(16,534)	5,065	(11,421)	8,640
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(14,175)	2,944	(17,377)	12,018
Income taxes (benefit)	(3,068)	855	(1,349)	(8,130)
Depreciation and amortization	12,518	6,776	29,562	20,350
Net earnings (loss) attributable to non-controlling interests	709	1,266	7,305	4,752
Non-cash stock-based compensation			2,746	2,638
Interest expense	31,443	15,924	67,439	48,638
Loss on debt extinguishment			7,299
Payments made			113	115
Earn outs	341		1,587
Cost recovery income			3,501	1,938
Cash payments related to lease			3,844	3,579
Amortization of deferred financing costs			2,021	9,042
Earn out from the sale of casino operations	341		1,587
Loss on sale of assets				2,154
United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	116,861	70,718	277,636	206,275
Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	20,921	20,065	56,262	55,105
Loss on debt extinguishment	7,300
Earn outs	300
Loss on sale of assets				2,200
Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	23,397	21,733	72,489	65,265
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue		36	61	131
Corporate And Other [Member] | Macquarie Credit Agreement [Member]
Segment Reporting Information [Line Items]
Write off of deferred financing costs				7,300
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue	161,179	112,552	406,448	326,776
Earnings from equity investment		1,071	1,121	2,134
Earnings (loss) before income taxes	(16,534)	5,065	(11,421)	8,640
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(14,175)	2,944	(17,377)	12,018
Interest expense (income), net	31,368	15,350	67,099	47,939
Income taxes (benefit)	(3,068)	855	(1,349)	(8,130)
Depreciation and amortization	12,518	6,776	29,562	20,350
Net earnings (loss) attributable to non-controlling interests	709	1,266	7,305	4,752
Non-cash stock-based compensation	1,082		2,746	2,638
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	1,140	(409)	(3,927)	(583)
Loss (gain) on disposition of fixed assets	80	38	526	(37)
Acquisition costs	3,693	295	4,101	2,724
Adjusted EBITDA	33,347	28,068	88,686	81,671
Operating Segments [Member] | United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	116,861	70,718	277,636	206,275
Earnings (loss) before income taxes	7,861	9,139	25,244	28,176
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	5,273	2,372	17,026	21,409
Interest expense (income), net	11,951	7,201	26,370	21,310
Income taxes (benefit)	818	6,767	4,656	6,767
Depreciation and amortization	10,706	4,892	24,065	14,418
Net earnings (loss) attributable to non-controlling interests	1,770		3,562
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(85)		(85)	(1)
Loss (gain) on disposition of fixed assets	56	11	492	33
Adjusted EBITDA	30,489	21,243	76,086	63,936
Operating Segments [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	20,921	20,065	56,262	55,105
Earnings (loss) before income taxes	(6,586)	3,395	4,453	9,123
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(1,730)	2,623	2,865	4,797
Interest expense (income), net	8,706	581	9,776	1,733
Income taxes (benefit)	(3,403)	522	(624)	1,718
Depreciation and amortization	1,102	1,180	3,374	3,632
Net earnings (loss) attributable to non-controlling interests	(1,453)	250	2,212	2,608
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	1,484	(71)	(3,228)	138
Loss (gain) on disposition of fixed assets			5	23
Adjusted EBITDA	4,706	5,085	14,380	14,649
Operating Segments [Member] | Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	23,397	21,733	72,489	65,265
Earnings (loss) before income taxes	1,558	3,513	5,995	7,967
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	788	2,032	3,066	4,285
Interest expense (income), net	(74)	(519)	(285)	(586)
Income taxes (benefit)	378	465	1,398	1,538
Depreciation and amortization	653	623	1,948	1,979
Net earnings (loss) attributable to non-controlling interests	392	1,016	1,531	2,144
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(213)	(333)	(572)	(712)
Loss (gain) on disposition of fixed assets	24	27	25	31
Adjusted EBITDA	1,948	3,311	7,111	8,679
Operating Segments [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue		36	61	131
Earnings from equity investment		1,071	1,121	2,134
Earnings (loss) before income taxes	(19,367)	(10,982)	(47,113)	(36,626)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(18,506)	(4,083)	(40,334)	(18,473)
Interest expense (income), net	10,785	8,087	31,238	25,482
Income taxes (benefit)	(861)	(6,899)	(6,779)	(18,153)
Depreciation and amortization	57	81	175	321
Non-cash stock-based compensation	1,082		2,746	2,638
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(46)	(5)	(42)	(8)
Loss (gain) on disposition of fixed assets			4	(124)
Acquisition costs	3,693	295	4,101	2,724
Adjusted EBITDA	(3,796)	(1,571)	(8,891)	(5,593)
VICI PropCo - Master Lease [Member]
Segment Reporting Information [Line Items]
Payments made	11,923	8,501	25,654	19,127
VICI PropCo - Master Lease [Member] | United States Segment [Member]
Segment Reporting Information [Line Items]
Interest expense (income), net			26,400
Interest expense	(12,000)	(7,200)		(21,300)
VICI PropCo - Master Lease [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Interest expense (income), net			900
Interest expense	(900)			(1,700)
Subsidiary Of VICIPropCo - CDR Land Lease [Member]
Segment Reporting Information [Line Items]
Payments made	300	500	1,300	$ 1,600
Subsidiary Of VICIPropCo - CDR Land Lease [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Interest expense (income), net	$ 400	$ 600
Interest expense			(1,400)
Loss on debt extinguishment			7,300
Cost recovery income			$ 1,600