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, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.		$ 65,655	$ 46,339	$ 178,086	$ 159,118
Earnings allocated to participating share-based awards	[1]	(336)	(304)	(805)	(938)
Net income attributable to common stockholders		$ 65,319	$ 46,035	$ 177,281	$ 158,180
Basic weighted average common stock outstanding		115,601	115,164	115,475	115,051
Diluted		115,793	115,356	115,706	115,279
Basic earnings per share attributable to common stockholders		$ 0.56	$ 0.40	$ 1.53	$ 1.37
Diluted earnings per share attributable to common stockholders		$ 0.56	$ 0.40	$ 1.53	$ 1.37
Restricted Stock Units (RSUs)
Earnings Per Share Disclosure [Line Items]
Common equivalent shares for restricted stock units		192	192	231	228

[1] For the three months ended September 30, 2016 and 2015, a weighted average of approximately 596 and 762 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2016 and 2015, a weighted average of approximately 526 and 684 shares of unvested restricted stock, respectively, were considered participating securities.