Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share Disclosure [Line Items]
Net income attributable to Cinemark Holdings, Inc.		$ 100,971	$ 82,135	$ 133,699	$ 144,156
Earnings allocated to participating share-based awards	[1]	(656)	(465)	(779)	(817)
Net income attributable to common stockholders		$ 100,315	$ 81,670	$ 132,920	$ 143,339
Basic weighted average common stock outstanding		116,325	116,091	116,253	115,988
Diluted common equivalent shares		116,548	116,268	116,524	116,238
Basic earnings per share attributable to common stockholders		$ 0.86	$ 0.70	$ 1.14	$ 1.23
Diluted earnings per share attributable to common stockholders		$ 0.86	$ 0.70	$ 1.14	$ 1.23
Restricted Stock Units (RSUs)
Earnings Per Share Disclosure [Line Items]
Common equivalent shares for restricted stock units		223	177	271	250

[1] For the three months ended June 30, 2019 and 2018, a weighted average of approximately 763 and 676 shares of restricted stock, respectively, were considered participating securities.  For the six months ended June 30, 2019 and 2018, a weighted average of approximately 685 and 663 shares of restricted stock, respectively, were considered participating securities.