Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.		$ 46,339	$ 38,129	$ 159,118	$ 145,303
Earnings allocated to participating share based awards	[1]	(304)	(293)	(938)	(1,004)
Net income attributable to common stockholders		$ 46,035	$ 37,836	$ 158,180	$ 144,299
Basic weighted average common stock outstanding		115,164	114,814	115,051	114,596
Diluted		115,356	115,021	115,279	114,901
Basic earnings per share attributable to common stockholders		$ 0.40	$ 0.33	$ 1.37	$ 1.25
Diluted earnings per share attributable to common stockholders		$ 0.40	$ 0.33	$ 1.37	$ 1.25
Restricted Stock Units (RSUs)
Earnings Per Share Disclosure [Line Items]
Common equivalent shares for restricted stock units		192	207	228	305

[1] For the three months ended September 30, 2015 and 2014, a weighted average of approximately 762 and 888 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2015 and 2014, a weighted average of approximately 684 and 801 shares of unvested restricted stock, respectively, were considered participating securities.