Condensed Consolidated Statements Of Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Total Century Casinos Shareholders' Equity [Member]	Noncontrolling Interest [Member]	Total
BALANCE at Dec. 31, 2014	$ 244	$ 76,169	$ (3,636)	$ 45,651	$ 118,428	$ 3,998	$ 122,426
Shares, BALANCE at Dec. 31, 2014	24,381,057
Net earnings (loss)	$ 0	0	0	1,845	1,845	(348)	1,497
Foreign currency translation adjustment	0	0	(4,686)	0	(4,686)	(508)	(5,194)
Amortization of stock-based compensation	0	388	0	0	388	0	388
Conversion of CDR equity (note 3)	0	(581)	(135)	0	(716)	716	0
BALANCE at Mar. 31, 2015	$ 244	75,976	(8,457)	47,496	115,259	3,858	119,117
Shares, BALANCE at Mar. 31, 2015	24,381,057
BALANCE at Dec. 31, 2015	$ 244	77,318	(12,704)	57,558	122,416	4,859	$ 127,275
Shares, BALANCE at Dec. 31, 2015	24,414,083						24,414,083
Net earnings (loss)	$ 0	0	0	1,894	1,894	330	$ 2,224
Foreign currency translation adjustment	0	0	3,368	0	3,368	389	3,757
Amortization of stock-based compensation	0	190	0	0	190	0	190
Exercise of stock options	$ 0	43	0	0	43	0	43
Exercise of stock options, shares	17,037
BALANCE at Mar. 31, 2016	$ 244	$ 77,551	$ (9,336)	$ 59,452	$ 127,911	$ 5,578	$ 133,489
Shares, BALANCE at Mar. 31, 2016	24,431,120						24,431,120