Quarterly report pursuant to Section 13 or 15(d)

Summary of Restricted Stock and Restricted Stock Unit Award Activity (Detail)

v3.22.2.2
Summary of Restricted Stock and Restricted Stock Unit Award Activity (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of restricted stock units that vested during the period 900,000  
Fair value of restricted stock units that vested during the period $ 15.2 $ 2.5
Compensation expense recognized during the period 12.0 13.8
Income tax benefit (cost) related to restricted stock units $ 2.5 $ (0.1)
Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of restricted stock units that vested during the period 100,000 10,000.00
Fair value of restricted stock units that vested during the period $ 1.7 $ 0.3
Accumulated dividends paid upon vesting of restricted stock units 0.3 0.1
Compensation expense recognized during the period 4.2 2.8
Income tax benefit (cost) related to restricted stock units 0.1 (0.5)
Estimated remaining expense 23.8  
Cinemark Holdings Inc [Member] | Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of restricted stock units that vested during the period 0.6 1.3
Compensation expense recognized during the period 0.7 0.7
Income tax benefit (cost) related to restricted stock units 0.1 0.3
Cinemark Holdings Inc [Member] | Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated remaining expense 0.8  
Cinemark Partners Second [Member] | Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of restricted stock units that vested during the period 14.6 1.2
Compensation expense recognized during the period 11.3 13.1
Income tax benefit (cost) related to restricted stock units 2.4 $ (0.4)
Cinemark Partners Second [Member] | Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated remaining expense $ 23.0