Computations of Basic and Diluted Earnings Per 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
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.	$ 71,731		$ 20,265		$ 107,174		$ 52,859
Earnings allocated to participating share-based awards	(542)	[1]	(225)	[1]	(704)	[1]	(547)	[1]
Net income attributable to common stockholders	$ 71,189		$ 20,040		$ 106,470		$ 52,312
Basic weighted average common stock outstanding	114,786		114,007		114,485		113,745
Common equivalent shares for stock options			9				10
Common equivalent shares for restricted stock units	175		371		329		455
Diluted	114,961		114,387		114,814		114,210
Basic earnings per share attributable to common stockholders	$ 0.62		$ 0.18		$ 0.93		$ 0.46
Diluted earnings per share attributable to common stockholders	$ 0.62		$ 0.18		$ 0.93		$ 0.46

[1] For the three months ended June 30, 2014 and 2013, a weighted average of approximately 876 and 1,289 shares of unvested restricted stock, respectively, were considered participating securities. For the six months ended June 30, 2014 and 2013, a weighted average of approximately 761 and 1,197 shares of unvested restricted stock, respectively, were considered participating securities.