Annual report pursuant to Section 13 and 15(d)

Investment in National CineMedia LLC - Additional Information (Detail)

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Investment in National CineMedia LLC - Additional Information (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jul. 05, 2018
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jul. 04, 2018
Dec. 31, 2016
USD ($)
Schedule Of Equity Method Investments [Line Items]                
Number of additional common units of NCM received under common unit adjustment agreement | shares     219,056          
Value of common units received from NCM     $ 1,552 $ 1,552 $ 5,012 $ 18,363    
Interest in common units of NCM acquired by Company   25.00%   25.00%        
Number of common units of NCM owned by Company | shares   39,737,700   39,737,700        
Investment In NCM                
Schedule Of Equity Method Investments [Line Items]                
Common unit convertible into share of NCMI common stock, conversion ratio     1          
Value of common units in cash         78,393      
Estimated fair value of investment using NCM's stock price   $ 289,688   $ 289,688        
NCMI common stock price | $ / shares   $ 7.29   $ 7.29        
Investment in NCM   $ 265,792   $ 265,792 275,592 200,550   $ 189,995
NCM                
Schedule Of Equity Method Investments [Line Items]                
Remaining performance obligations   174,000   $ 174,000        
Deferred revenue amortization year and month       2041-02        
Number of common units of NCM acquired by Company | shares 10,738,740              
Value of common units in cash $ 78,393       78,393      
Common unit price per share | $ / shares $ 7.30              
Interest in common units of NCM acquired by Company 25.00%           18.00%  
Investment in NCM   265,792   $ 265,792 275,592      
Deferred revenue or NCM screen advertising advances extended term       2041-02        
NCM | Adoption of ASC Topic 606                
Schedule Of Equity Method Investments [Line Items]                
Increase in screen advertising advances   62,893            
Screen advertising advances, tax   15,346            
Reduction in retained earnings   (47,547)            
Reduction in other revenues   (1,403)            
Increase in interest expense   4,721            
Reduction of net income   $ (4,630)            
NCM | Theatre Properties and Equipment                
Schedule Of Equity Method Investments [Line Items]                
Payment for installation of certain equipment used for digital advertising       $ 61 $ 74 $ 102