Consolidated Statements Of (Loss) Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating revenue:
Net operating revenue	$ 304,268	$ 218,227	$ 168,938
Operating costs and expenses:
General and administrative	99,547	82,980	60,194
Depreciation and amortization	26,534	10,843	9,399
Impairment - intangible and tangible assets	35,121	16,486
(Gain) on sale of casino operations (Note 1)	(6,457)
Total operating costs and expenses	304,395	223,446	159,502
(Loss) earning from equity investment		(1)	23
(Loss) earnings from operations	(127)	(5,220)	9,459
Non-operating income (expense):
Interest income	6	21	103
Interest expense	(43,104)	(8,250)	(4,217)
(Loss) gain on foreign currency transactions, cost recovery income and other	(63)	1,482	578
Non-operating (expense) income, net	(43,161)	(6,747)	(3,536)
(Loss) earnings before income taxes	(43,288)	(11,967)	5,923
Income tax expense	(4,848)	(4,174)	(1,917)
Net (loss) earnings	(48,136)	(16,141)	4,006
Net loss (earnings) attributable to non-controlling interests	134	(3,014)	(612)
Net (loss) earnings attributable to Century Casinos, Inc. shareholders	$ (48,002)	$ (19,155)	$ 3,394
(Loss) earnings per share attributable to Century Casinos, Inc. shareholders:
Basic	$ (1.62)	$ (0.65)	$ 0.12
Diluted	$ (1.62)	$ (0.65)	$ 0.11
Weighted average shares outstanding - basic	29,559	29,452	29,401
Weighted average shares outstanding - diluted	29,559	29,452	29,962
Gaming [Member]
Operating revenue:
Operating revenue	$ 253,281	$ 176,866	$ 140,301
Operating costs and expenses:
Operating costs and expenses	131,563	92,749	73,328
Hotel [Member]
Operating revenue:
Operating revenue	5,910	2,521	1,986
Operating costs and expenses:
Operating costs and expenses	2,125	906	727
Food And Beverage [Member]
Operating revenue:
Operating revenue	16,194	20,022	15,742
Operating costs and expenses:
Operating costs and expenses	15,962	19,482	15,854
Other [Member]
Operating revenue:
Operating revenue	$ 28,883	$ 18,818	$ 10,909