Quarterly report pursuant to Section 13 or 15(d)

Computations of Basic and Diluted Loss Per Share (Detail)

v3.21.1
Computations of Basic and Diluted Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Earnings Per Share Disclosure [Line Items]    
Net loss attributable to Cinemark Holdings, Inc. $ (208,241) $ (59,591)
Loss allocated to participating share-based awards (1) [1] 3,144 350
Net loss attributable to common stockholders $ (205,097) $ (59,241)
Basic weighted average common stock outstanding 117,177,000 116,496,000
Diluted common equivalent shares 117,177,000 116,496,000
Basic $ (1.75) $ (0.51)
Diluted $ (1.75) $ (0.51)
Restricted Stock Units (RSUs)    
Earnings Per Share Disclosure [Line Items]    
Common equivalent shares for restricted stock units 65,000 92,000
[1] For the three months ended March 31, 2021 and 2020, a weighted average of approximately 1,797 and 683 shares of restricted stock, respectively, were considered participating securities.