Annual report pursuant to Section 13 and 15(d)

Investment in National CineMedia LLC - Additional Information (Detail)

v3.10.0.1
Investment in National CineMedia LLC - Additional Information (Detail)
12 Months Ended
Jul. 05, 2018
USD ($)
$ / shares
shares
Feb. 13, 2007
USD ($)
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
$ / Theatre
Jul. 04, 2018
Schedule Of Equity Method Investments [Line Items]              
Theatre access fees per patron | $ / Theatre           0.07  
Increase in percentage of payment per theatre patron           8.00%  
Duration of percentage increase in theatre access fees per patron           5 years  
Payment per digital screen   $ 800,000 $ 1,368,000 $ 1,303,000 $ 1,241,000    
Percentage of annual increase in payment per digital screen           5.00%  
Minimum percentage of aggregate advertising revenue for payment of fees     12.00%        
Remaining term of exhibitor services agreement     2037-02        
Number of common units of NCM owned by Company | shares     39,518,644        
Interest in common units of NCM owned by Company     25.00%        
NCM              
Schedule Of Equity Method Investments [Line Items]              
Interest in common units of NCM owned by Company 25.00%           18.00%
Investment in NCM     $ 275,592,000 200,550,000      
Impairment of investments     0        
Number of common units of NCM acquired by Company | shares 10,738,740            
Value of common units in cash $ 78,393,000   78,393,000        
Common unit price per share | $ / shares $ 7.30            
NCM | Theatre Properties and Equipment              
Schedule Of Equity Method Investments [Line Items]              
Payment for installation of certain equipment used for digital advertising     74,000 102,000 49,000    
Investment In NCM              
Schedule Of Equity Method Investments [Line Items]              
Estimated fair value of investment using NCMI's stock price     $ 256,081,000        
NCMI stock price | $ / shares     $ 6.48        
Investment in NCM     $ 275,592,000 $ 200,550,000 $ 189,995,000 $ 183,755,000  
Value of common units in cash     $ 78,393,000