Consolidated Statements Of Equity - USD ($) $ in Thousands		Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total Century Casinos Shareholders' Equity [Member]	Noncontrolling Interests [Member]	Total
BALANCE at Dec. 31, 2015		$ 244	$ 77,318	$ (12,683)	$ 57,171	$ 122,050	$ 4,737	$ 126,787
BALANCE, Shares at Dec. 31, 2015		24,414,083
Net earnings					9,215	9,215	4,598	13,813
Foreign currency translation adjustment				74		74	(464)	(390)
Amortization of stock-based compensation			759			759		759
Distribution to non-controlling interest							(2,483)	(2,483)
Exercise of stock options		$ 1	97			98		98
Exercise of stock options, shares		37,499
BALANCE at Dec. 31, 2016		$ 245	78,174	(12,609)	66,386	132,196	6,388	138,584
BALANCE, Shares at Dec. 31, 2016		24,451,582
Net earnings					6,259	6,259	1,632	7,891
Foreign currency translation adjustment				6,482		6,482	1,462	7,944
Amortization of stock-based compensation			669			669		669
Distribution to non-controlling interest							(2,061)	(2,061)
Incremental direct costs of common stock issuance		$ 49	34,210			34,259		34,259
Incremental direct costs of common stock issuance, shares		4,887,500
Exercise of stock options			32			32		32
Exercise of stock options, shares		20,738
BALANCE at Dec. 31, 2017		$ 294	113,068	(6,127)	72,662	179,897	7,421	$ 187,318
BALANCE, Shares at Dec. 31, 2017		29,359,820						29,359,820
Cumulative effect of accounting change	[1]		(17)		17
Net earnings					3,394	3,394	612	$ 4,006
Foreign currency translation adjustment				(8,116)		(8,116)	(844)	(8,960)
Amortization of stock-based compensation			868			868		868
Distribution to non-controlling interest							(572)	(572)
Fair value of non-controlling interest							445	445
Incremental direct costs of common stock issuance			(59)			(59)		(59)
Exercise of stock options			337			337		337
Exercise of stock options, shares		79,359
BALANCE at Dec. 31, 2018		$ 294	$ 114,214	$ (14,243)	$ 76,056	$ 176,321	$ 7,062	$ 183,383
BALANCE, Shares at Dec. 31, 2018		29,439,179						29,439,179

[1] Cumulative effect of accounting change relates to the adoption of Accounting Standards Update 2016-09. See Note 2 of the consolidated financial statements for further details on the adoption of this accounting standard.