Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.		$ 32,728	$ 62,021
Earnings allocated to participating share-based awards	[1]	(183)	(297)
Net income attributable to common stockholders		$ 32,545	$ 61,724
Basic weighted average common stock outstanding		116,179	115,883
Diluted common equivalent shares		116,418	116,143
Basic earnings per share attributable to common stockholders		$ 0.28	$ 0.53
Diluted earnings per share attributable to common stockholders		$ 0.28	$ 0.53
Restricted Stock Units (RSUs)
Earnings Per Share Disclosure [Line Items]
Common equivalent shares for restricted stock units		239	260

[1] For the three months ended March 31, 2019 and 2018, a weighted average of approximately 659 and 556 shares of restricted stock, respectively, were considered participating securities.