Quarterly report pursuant to Section 13 or 15(d)

Computations of Basic and Diluted Loss Per Share (Detail)

v3.21.2
Computations of Basic and Diluted Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share Disclosure [Line Items]        
Net loss attributable to Cinemark Holdings, Inc. $ (77,814) $ (147,592) $ (428,522) $ (377,572)
Loss allocated to participating share-based awards (1) [1] (1,525) (1,472) (7,583) (2,832)
Net loss attributable to common stockholders $ (76,289) $ (146,120) $ (420,939) $ (374,740)
Basic weighted average common stock outstanding 117,274,000 116,707,000 117,226,000 116,552,000
Diluted common equivalent shares 117,274,000 116,707,000 117,226,000 116,552,000
Basic $ (0.65) $ (1.25) $ (3.59) $ (3.22)
Diluted $ (0.65) $ (1.25) $ (3.59) $ (3.22)
Restricted Stock Units (RSUs)        
Earnings Per Share Disclosure [Line Items]        
Common equivalent shares for restricted stock units 103,000 438,000 90,000 689,000
[1] For the three months ended September 30, 2021 and 2020, a weighted average of approximately 2,344 and 1,175 shares of restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2021 and 2020, a weighted average of approximately 2,112 and 880 shares of restricted stock, respectively, were considered participating securities.