Condensed Consolidated Statements Of (Loss) Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating revenue:
Net operating revenue	$ 136,761	$ 111,122	$ 245,268	$ 214,224
Operating costs and expenses:
General and administrative	34,249	25,528	60,729	52,186
Depreciation and amortization	10,190	6,779	17,044	13,574
(Gain) on sale of casino operations (Note 1)	(672)		(1,246)
Loss on sale of assets (Note 1)				2,154
Total operating costs and expenses	118,162	91,383	209,361	181,441
Earnings from equity investment	30	1,063	1,121	1,063
Earnings from operations	18,629	20,802	37,028	33,846
Non-operating (expense) income:
Interest income	119	108	265	125
Interest expense	(18,349)	(21,904)	(35,997)	(32,714)
Gain on foreign currency transactions, cost recovery income and other	60	424	3,817	2,317
Non-operating (expense) income, net	(18,170)	(21,372)	(31,915)	(30,272)
Earnings (loss) before income taxes	459	(570)	5,113	3,574
Income tax (expense) benefit	(96)	10,421	(1,719)	8,986
Net earnings	363	9,851	3,394	12,560
Net earnings attributable to non-controlling interests	(2,322)	(995)	(6,596)	(3,486)
Net (loss) earnings attributable to Century Casinos, Inc. shareholders	$ (1,959)	$ 8,856	$ (3,202)	$ 9,074
(Loss) earnings per share attributable to Century Casinos, Inc. shareholders:
Basic	$ (0.06)	$ 0.30	$ (0.11)	$ 0.30
Diluted	$ (0.06)	$ 0.28	$ (0.11)	$ 0.29
Weighted average shares outstanding - basic	30,335	29,843	30,196	29,752
Weighted average shares outstanding - diluted	30,335	31,506	30,196	31,489
Gaming [Member]
Operating revenue:
Operating revenue	$ 100,845	$ 94,472	$ 195,141	$ 184,347
Operating costs and expenses:
Operating costs and expenses	50,973	46,277	99,035	91,026
Pari-Mutuel, Sports Betting And iGaming [Member]
Operating revenue:
Operating revenue	5,057	5,259	8,442	8,689
Operating costs and expenses:
Operating costs and expenses	5,805	6,034	9,517	9,802
Hotel [Member]
Operating revenue:
Operating revenue	12,235	2,541	14,757	4,615
Operating costs and expenses:
Operating costs and expenses	3,765	691	4,562	1,334
Food And Beverage [Member]
Operating revenue:
Operating revenue	11,818	6,026	17,586	11,064
Operating costs and expenses:
Operating costs and expenses	10,587	5,748	16,232	10,726
Other [Member]
Operating revenue:
Operating revenue	6,806	2,824	9,342	5,509
Operating costs and expenses:
Operating costs and expenses	$ 3,265	$ 326	$ 3,488	$ 639