Condensed Consolidated Statements Of Earnings - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating revenue:
Operating revenue		$ 43,564	$ 43,791	$ 123,834	$ 122,531
Less: Promotional allowances	[1]		(2,743)		(7,756)
Net operating revenue		43,564	41,048	123,834	114,775
Operating costs and expenses:
General and administrative		15,174	13,392	44,781	36,819
Depreciation and amortization		2,323	2,226	6,645	6,330
Total operating costs and expenses		40,332	36,271	116,351	101,865
Income from equity investment		2		1
Earnings from operations		3,234	4,777	7,484	12,910
Non-operating income (expense):
Interest income		74	21	107	69
Interest expense		(904)	(829)	(3,023)	(2,667)
Gain on foreign currency transactions, cost recovery income and other		182	70	431	555
Non-operating (expense) income, net		(648)	(738)	(2,485)	(2,043)
Earnings before income taxes		2,586	4,039	4,999	10,867
Income tax (expense) benefit		(791)	3,913	(1,784)	2,054
Net earnings		1,795	7,952	3,215	12,921
Net earnings attributable to non-controlling interests		(155)	(322)	(328)	(1,329)
Net earnings attributable to Century Casinos, Inc. shareholders		$ 1,640	$ 7,630	$ 2,887	$ 11,592
Earnings per share attributable to Century Casinos, Inc. shareholders:
Basic		$ 0.06	$ 0.31	$ 0.10	$ 0.47
Diluted		$ 0.05	$ 0.31	$ 0.10	$ 0.47
Weighted average shares outstanding - basic		29,425	24,470	29,388	24,464
Weighted average shares outstanding - diluted		29,987	24,891	29,986	24,905
Gaming [Member]
Operating revenue:
Operating revenue		$ 35,983	$ 36,914	$ 102,595	$ 102,814
Net operating revenue		35,983	36,914	102,595	102,814
Operating costs and expenses:
Operating costs and expenses		18,490	17,094	52,666	48,796
Hotel [Member]
Operating revenue:
Operating revenue		575	560	1,534	1,491
Net operating revenue		575	560	1,534	1,491
Operating costs and expenses:
Operating costs and expenses		197	171	551	468
Food And Beverage [Member]
Operating revenue:
Operating revenue		4,290	3,868	11,630	10,622
Net operating revenue		4,290	3,868	11,630	10,622
Operating costs and expenses:
Operating costs and expenses		4,148	3,388	11,708	9,452
Other [Member]
Operating revenue:
Operating revenue		2,716	2,449	8,075	7,604
Net operating revenue		$ 2,716	$ 2,449	$ 8,075	$ 7,604

[1] See Note 2 for a discussion of the impact of the adoption of ASU 2014-09 on the presentation of promotional allowances