Computations of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.	$ 80,019		$ 47,385		$ 132,878		$ 141,127
Earnings allocated to participating share-based awards	(880)	[1]	(630)	[1]	(1,367)	[1]	(1,674)	[1]
Net income attributable to common stockholders	$ 79,139		$ 46,755		$ 131,511		$ 139,453
Basic weighted average common stock outstanding	114,050		113,355		113,836		113,161
Common equivalent shares for stock options	8		40		9		39
Common equivalent shares for restricted stock units	391		419		446		464
Diluted	114,449		113,814		114,291		113,664
Basic earnings per share attributable to common stockholders	$ 0.69		$ 0.41		$ 1.15		$ 1.23
Diluted earnings per share attributable to common stockholders	$ 0.69		$ 0.41		$ 1.15		$ 1.23

[1] For the three months ended September 30, 2013 and 2012, a weighted average of approximately 1,272 and 1,535 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2013 and 2012, a weighted average of approximately 1,191 and 1,364 shares of unvested restricted stock, respectively, were considered participating securities.