Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Detail)

v3.20.4
Related Party Transactions - Additional Information (Detail)
12 Months Ended
Dec. 31, 2020
USD ($)
Theatre
Facility
Lease
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
FE Concepts, LLC      
Related Party Transaction [Line Items]      
Management fee revenues $ 34,000 $ 64,000  
Percentage of voting interest 50.00%    
Event fees   78,000  
Laredo Theatre, Ltd      
Related Party Transaction [Line Items]      
Company's interest in Laredo 75.00%    
Lone Star Theatre's interest in Laredo 25.00%    
Ownership interest held by David Roberts 100.00%    
Percentage of common stock held by Chairman of the Board of Directors 8.00%    
Percentage of management fees based on theatre revenues 5.00%    
Maximum amount of theater revenue used to calculate management fees $ 50,000,000    
Percentage of management fees based on theatre revenues in excess 3.00%    
Minimum amount of theater revenue used to calculate management fees $ 50,000,000    
Management fee revenues 146,000 694,000 $ 654,000
Copper Beech Capital LLC      
Related Party Transaction [Line Items]      
Amount paid for the use of aircraft $ 12,000 114,000 68,000
Syufy Enterprises, LP      
Related Party Transaction [Line Items]      
Number of theatres leased | Theatre 14    
Number of parking facilities leased | Facility 1    
Total number of leases | Lease 15    
Number of leases with minimum annual rent | Lease 14    
Number of leases without minimum annual rent | Lease 1    
Total rent paid to Syufy $ 23,810,000 25,678,000 $ 23,447,000
Amount billed for digital support provided to Syufy $ 0 $ 30,000