Annual report pursuant to Section 13 and 15(d)

Impact of COVID-19 - Additional Information (Detail)

v3.20.4
Impact of COVID-19 - Additional Information (Detail) - 12 months ended Dec. 31, 2020
$ in Thousands
USD ($)
USD ($)
Domestic
USD ($)
International
Domestic
International
Unusual Or Infrequent Item [Line Items]          
Restructuring costs $ 20,369        
Impact of COVID-19          
Unusual Or Infrequent Item [Line Items]          
Unpaid and accrued restructuring costs 6,741 $ 6,741 $ 6,741    
Impact of COVID-19          
Unusual Or Infrequent Item [Line Items]          
Number of domestic theaters reopened   217 129    
Restructuring costs $ 20,369        
Number of Theaters       15 9