Quarterly report pursuant to Section 13 or 15(d)

Investment in National CineMedia LLC - Additional Information (Detail)

v3.21.2
Investment in National CineMedia LLC - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Schedule Of Equity Method Investments [Line Items]    
Number of additional common units of NCM receive under common unit adjustment agreement 2,311,482  
Estimated fair value of additional common units received $ 10,237 $ 3,620
Number of common units of NCM owned by Company 43,161,550  
Interest in common units of NCM owned by Company 26.00%  
NCM    
Schedule Of Equity Method Investments [Line Items]    
Remaining performance obligations $ 174,000  
Recognized incremental screen rental revenue and offsetting interest expense 11,797 11,825
Amortization of screen advertising advances $ 15,927 $ 15,612
NCM | Minimum    
Schedule Of Equity Method Investments [Line Items]    
Percentage of incremental borrowing rates 4.40%  
NCM | Maximum    
Schedule Of Equity Method Investments [Line Items]    
Percentage of incremental borrowing rates 8.30%  
Investment In NCM    
Schedule Of Equity Method Investments [Line Items]    
Common unit convertible into share of NCMI common stock, conversion ratio 1  
Estimated fair value of investment using NCM's stock price $ 218,829  
NCMI common stock price $ 5.07