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, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.		$ 38,139	$ 65,655	$ 169,106	$ 178,086
Earnings allocated to participating share-based awards	[1]	(209)	(336)	(842)	(805)
Net income attributable to common stockholders		$ 37,930	$ 65,319	$ 168,264	$ 177,281
Basic weighted average common stock outstanding		115,823	115,601	115,746	115,475
Diluted		116,104	115,793	116,063	115,706
Basic earnings per share attributable to common stockholders		$ 0.33	$ 0.56	$ 1.45	$ 1.53
Diluted earnings per share attributable to common stockholders		$ 0.33	$ 0.56	$ 1.45	$ 1.53
Restricted Stock Units (RSUs)
Earnings Per Share Disclosure [Line Items]
Common equivalent shares for restricted stock units		281	192	317	231

[1] For the three months ended September 30, 2017 and 2016, a weighted average of approximately 643 and 596 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2017 and 2016, a weighted average of approximately 581 and 526 shares of unvested restricted stock, respectively, were considered participating securities