Condensed Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total Century Casinos Shareholders' Equity [Member]	Noncontrolling Interest [Member]	Total
BALANCE at Dec. 31, 2012	$ 243	$ 75,388	$ 4,569	$ 38,238	$ (282)	$ 118,156	$ 0	$ 118,156
Shares, BALANCE at Dec. 31, 2012	24,128,114
Net earnings (loss)	0	0	0	6,392	0	6,392	198	6,590
Foreign currency translation adjustment	0	0	(1,512)	0	0	(1,512)	87	(1,425)
Stock-based compensation expense	0	8	0	0	0	8	0	8
Fair value of non-controlling interest	0	0	0	0	0	0	5,214	5,214
Exercise of stock options	1	(280)	0	0	282	3	0	3
Exercise of stock options, shares	249,647
BALANCE at Sep. 30, 2013	244	75,116	3,057	44,630	0	123,047	5,499	128,546
Shares, BALANCE at Sep. 30, 2013	24,377,761
BALANCE at Dec. 31, 2013	244	75,138	2,008	44,419	0	121,809	7,641	129,450
Shares, BALANCE at Dec. 31, 2013	24,377,761							24,377,761
Net earnings (loss)	0	0	0	1,462	0	1,462	(1,871)	(409)
Foreign currency translation adjustment	0	0	(3,360)	0	0	(3,360)	(617)	(3,977)
Stock-based compensation expense	0	56	0	0	0	56	0	56
Distribution to non-controlling interest	0	0	0	0	0	0	(281)	(281)
Exercise of stock options	0	3	0	0	0	3	0	3
Exercise of stock options, shares	3,296
BALANCE at Sep. 30, 2014	$ 244	$ 75,197	$ (1,352)	$ 45,881	$ 0	$ 119,970	$ 4,872	$ 124,842
Shares, BALANCE at Sep. 30, 2014	24,381,057							24,381,057