Annual report pursuant to Section 13 and 15(d)

Other Investments - Additional Information (Detail)

v3.20.4
Other Investments - Additional Information (Detail)
$ in Thousands
12 Months Ended
Apr. 30, 2018
USD ($)
Dec. 31, 2020
USD ($)
Studio
Dec. 31, 2019
USD ($)
Dec. 26, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 27, 2018
USD ($)
Maximum            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest   50.00%        
Minimum            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest   20.00%        
Digital Cinema Implementation Partners            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest   33.00%        
Economic interest in Digital Cinema Implementation Partners   24.30%        
Description of digital cinema deployment agreements   The DCDAs end on the earlier to occur of (i) the tenth anniversary of the "mean deployment date" for all digital projection systems scheduled to be deployed over a period of up to five years, or (ii) the date DCIP achieves "cost recoupment", each as defined in the DCDAs.        
Number of major motion picture studio, long-term digital cinema deployment agreements | Studio   6        
Operating lease right of use asset write off   $ 7,468        
Operating lease right of use liabilities write off   14,102        
Gain on sale of asset   6,634        
Lease termination liability   4,169        
Remaining termination lease liability   3,474        
Fair value of projectors   102,719        
Reduction in investment in DCIP   89,804        
Other   $ 12,915        
Digital Cinema Implementation Partners | Maximum            
Schedule Of Equity Method Investments [Line Items]            
Deployment period of digital cinema deployment agreements   5 years        
AC JV, LLC | Film rentals and advertising            
Schedule Of Equity Method Investments [Line Items]            
Event fees   $ 3,740   $ 15,376 $ 12,481  
Digital Cinema Distribution Coalition            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest   14.60%        
Payments for content delivery services   $ 428 $ 896     $ 927
CNMK Texas Properties, LLC            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest 50.00%          
Cash contributions $ 20,000          
CNMK Texas Properties, LLC | AWSR Investments, LLC            
Schedule Of Equity Method Investments [Line Items]            
Percentage of voting interest 50.00%          
Cash contributions $ 20,000          
Management fee revenues   $ 34 $ 64