Segment Information (Schedule Of Information By Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net operating revenue	$ 136,017	$ 108,508
Earnings from equity investment		1,091
Earnings (loss) before income taxes	(15,680)	4,654
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(13,544)	(1,243)
Income taxes (benefit)	(3,986)	1,623
Depreciation and amortization	12,031	6,855
Net earnings (loss) attributable to non-controlling interests	1,850	4,274
Non-cash stock-based compensation	503	736
(Gain) loss on foreign currency transactions, cost recovery income and other	(1,162)	(3,758)
Interest expense	25,815	17,649
Loss on debt extinguishment	(146)
Earn outs		574
Cost recovery income		3,501
Total assets	1,335,492		$ 1,359,662
United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	96,034	66,369
Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	18,321	16,503
Earn outs		600
Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	21,649	25,579
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue	13	57
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue	136,017	108,508
Earnings from equity investment		1,091
Earnings (loss) before income taxes	(15,680)	4,654
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(13,544)	(1,243)
Interest expense (income), net	25,129	17,504
Income taxes (benefit)	(3,986)	1,623
Depreciation and amortization	12,031	6,855
Net earnings (loss) attributable to non-controlling interests	1,850	4,274
Non-cash stock-based compensation	503	736
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(1,308)	(4,332)
Loss (gain) on disposition of fixed assets	594	479
Acquisition costs	(19)	158
Adjusted EBITDA	21,250	26,054
Operating Segments [Member] | United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	96,034	66,369
Earnings (loss) before income taxes	(3,278)	7,151
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(2,782)	5,375
Interest expense (income), net	11,746	7,119
Income taxes (benefit)	(2,273)	1,776
Depreciation and amortization	10,288	5,032
Net earnings (loss) attributable to non-controlling interests	1,777
Loss (gain) on disposition of fixed assets	390	470
Adjusted EBITDA	19,146	19,772
Operating Segments [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	18,321	16,503
Earnings (loss) before income taxes	1,931	6,989
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	1,132	1,867
Interest expense (income), net	2,907	523
Income taxes (benefit)	728	1,634
Depreciation and amortization	1,149	1,127
Net earnings (loss) attributable to non-controlling interests	71	3,488
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(809)	(4,085)
Loss (gain) on disposition of fixed assets	(37)	3
Adjusted EBITDA	5,141	4,557
Operating Segments [Member] | Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue	21,649	25,579
Earnings (loss) before income taxes	156	2,992
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	3	1,574
Interest expense (income), net	(35)	(95)
Income taxes (benefit)	151	632
Depreciation and amortization	538	635
Net earnings (loss) attributable to non-controlling interests	2	786
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(143)	(254)
Loss (gain) on disposition of fixed assets	241	1
Adjusted EBITDA	757	3,279
Operating Segments [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue	13	57
Earnings from equity investment		1,091
Earnings (loss) before income taxes	(14,489)	(12,478)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(11,897)	(10,059)
Interest expense (income), net	10,511	9,957
Income taxes (benefit)	(2,592)	(2,419)
Depreciation and amortization	56	61
Non-cash stock-based compensation	503	736
(Gain) loss on foreign currency transactions, cost recovery income and other (3)	(356)	7
Loss (gain) on disposition of fixed assets		5
Acquisition costs	(19)	158
Adjusted EBITDA	(3,794)	(1,554)
Subsidiary Of VICIPropCo - CDR Land Lease [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Cost recovery income		$ 3,500
Nugget Sparks, LLC [Member]
Segment Reporting Information [Line Items]
Net operating revenue	18,400
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	(3,000)
Rocky Gap Casino Resort [Member]
Segment Reporting Information [Line Items]
Net operating revenue	14,900
Net earnings (loss) attributable to Century Casinos, Inc. shareholders	$ (2,900)