Condensed Consolidated Statements Of Shareholders' 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, 2013	$ 244	$ 75,138	$ 2,008	$ 44,419	$ 121,809	$ 7,641	$ 129,450
Shares, BALANCE at Dec. 31, 2013	24,377,761
Net earnings	$ 0	0	0	667	667	(1,156)	(489)
Foreign currency translation adjustment	0	0	(246)	0	(246)	(83)	(329)
Amortization of stock-based compensation	0	43	0	0	43	0	43
Distribution to non-controlling interest	0	0	0	0	0	(281)	(281)
Exercise of stock options	$ 0	3	0	0	3	0	3
Exercise of stock options, shares	3,296
BALANCE at Jun. 30, 2014	$ 244	75,184	1,762	45,086	122,276	6,121	128,397
Shares, BALANCE at Jun. 30, 2014	24,381,057
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						24,381,057
Net earnings	$ 0	0	0	8,442	8,442	674	$ 9,116
Foreign currency translation adjustment	0	0	(3,740)	0	(3,740)	(399)	(4,139)
Amortization of stock-based compensation	0	807	0	0	807	0	807
Distribution to non-controlling interest	0	0	0	0	0	(490)	(490)
Exercise of stock options	$ 0	83	0	0	83	0	83
Exercise of stock options, shares	16,250
Conversion of CDR equity (note 3)	$ 0	(581)	(135)	0	(716)	716	0
BALANCE at Jun. 30, 2015	$ 244	$ 76,478	$ (7,511)	$ 54,093	$ 123,304	$ 4,499	$ 127,803
Shares, BALANCE at Jun. 30, 2015	24,397,307						24,397,307