Net Income Per Share - Summary of Basic Net Income Per Common Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Numerator for basic earnings per share:
Net income	$ 3,222	$ 6,677	$ 58	$ 894
Denominator for basic earnings per share:
Weighted average shares	22,872	17,598	22,847	17,573
Effect of dilutive shares:
Restricted stock awards	279	209	291	205
Stock options	332	261	326	255
Dilutive potential common shares	611	470	616	460
Denominator for diluted earnings per share:
Adjusted weighted average shares	23,483	18,068	23,463	18,033
Basic income per share attributable to Carmike stockholders	$ 0.14	$ 0.38	$ 0.00	$ 0.05
Diluted income per share attributable to Carmike stockholders	$ 0.14	$ 0.37	$ 0.00	$ 0.05