Annual report pursuant to Section 13 and 15(d)

Computations of Basic and Diluted Earnings Per Share (Detail)

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Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
[1]
Sep. 30, 2019
[1]
Jun. 30, 2019
[1]
Mar. 31, 2019
[1]
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share Disclosure [Line Items]                      
Net income attributable to Cinemark Holdings, Inc. $ 26,334 $ 31,353 $ 100,971 $ 32,728 $ 19,443 $ 50,228 $ 82,135 $ 62,021 $ 191,386 [1] $ 213,827 $ 264,180
Earnings allocated to participating share-based awards [2]                 (1,174) (1,168) (1,350)
Net income attributable to common stockholders                 $ 190,212 $ 212,659 $ 262,830
Basic weighted average shares outstanding                 116,306 116,054 115,766
Diluted weighted average shares outstanding                 116,606 116,342 116,059
Basic earnings per share attributable to common stockholders $ 0.22 $ 0.27 $ 0.86 $ 0.28 $ 0.17 $ 0.43 $ 0.70 $ 0.53 $ 1.63 [1] $ 1.83 $ 2.26
Diluted earnings per share attributable to common stockholders $ 0.22 $ 0.27 $ 0.86 $ 0.28 $ 0.17 $ 0.43 $ 0.70 $ 0.53 $ 1.63 [1] $ 1.83 $ 2.26
Restricted Stock Units (RSUs)                      
Earnings Per Share Disclosure [Line Items]                      
Common equivalent shares for restricted stock units                 300 288 293
[1] See Note 3 for discussion of the impact of ASC 842 that was effective January 1, 2019.
[2] For the years ended December 31, 2017, 2018 and 2019, a weighted average of approximately 596 shares, 640 shares and 721 shares, of unvested restricted stock, respectively, are considered participating securities.