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, 2011	$ 240	$ 75,144	$ 3,291	$ 34,147	$ (282)	$ 112,540	$ 0	$ 112,540
Shares, BALANCE at Dec. 31, 2011	23,877,362
Net earnings	0	0	0	3,467	0	3,467	0	3,467
Foreign currency translation adjustments	0	0	1,751	0	0	1,751	0	1,751
Amortization of stock based compensation	0	0	0	0	0		0	0
Exercise of stock options	2	238	0	0	0	240	0	240
Exercise of stock options, shares	240,000
BALANCE at Sep. 30, 2012	242	75,382	5,042	37,614	(282)	117,998	0	117,998
Shares, BALANCE at Sep. 30, 2012	24,117,362
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							24,128,114
Net earnings	0	0	0	6,392	0	6,392	198	6,590
Foreign currency translation adjustments	0	0	(1,512)	0	0	(1,512)	87	(1,425)
Amortization of stock based compensation	0	8	0	0	0	8	0	8
Noncontrolling 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							24,377,761