Annual report pursuant to Section 13 and 15(d)

Computations of Basic and Diluted Earnings Per Share (Detail)

v3.20.4
Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
[1]
Sep. 30, 2020
[1]
Jun. 30, 2020
[1]
Mar. 31, 2020
[1]
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share Disclosure [Line Items]                      
Net income (loss) attributable to Cinemark Holdings, Inc. $ (239,256) $ (147,592) $ (170,389) $ (59,591) $ 26,334 $ 31,353 $ 100,971 $ 32,728 $ (616,828) [1] $ 191,386 $ 213,827
(Earnings) loss allocated to participating share-based awards (1) [2]                 4,279 (1,174) (1,168)
Net income (loss) attributable to common stockholders                 $ (612,549) $ 190,212 $ 212,659
Basic weighted average shares outstanding                 116,667,000 116,306,000 116,054,000
Diluted weighted average shares outstanding                 116,667,000 116,606,000 116,342,000
Basic $ (2.03) $ (1.25) $ (1.45) $ (0.51) $ 0.22 $ 0.27 $ 0.86 $ 0.28 $ (5.25) [1] $ 1.63 $ 1.83
Diluted $ (2.03) $ (1.25) $ (1.45) $ (0.51) $ 0.22 $ 0.27 $ 0.86 $ 0.28 $ (5.25) [1] $ 1.63 $ 1.83
Restricted Stock Units (RSUs)                      
Earnings Per Share Disclosure [Line Items]                      
Common equivalent shares for restricted stock units                 682,000 300,000 [3] 288,000 [3]
[1] Quarterly results during the year ended December 31, 2020 were impacted by the COVID-19 pandemic (see Note 3) as well as impairment recorded (see Notes 1 and 11).
[2] For the years ended December 31, 2018, 2019 and 2020, a weighted average of approximately 640 shares, 721 shares and 815 shares, of unvested restricted stock, respectively, are considered participating securities.
[3]

For the year ended December 31, 2020, approximately 682 common equivalent shares for restricted stock units were excluded because they were anti-dilutive.