Quarterly report pursuant to Section 13 or 15(d)

Impact of COVID-19 Pandemic - Additional Information (Detail)

v3.21.2
Impact of COVID-19 Pandemic - Additional Information (Detail)
$ in Thousands
6 Months Ended
Jun. 30, 2021
USD ($)
Domestic
Jun. 30, 2021
USD ($)
International
Impact of COVID-19 Pandemic    
Unusual Or Infrequent Item [Line Items]    
Accrued restructuring costs | $ $ 5,243 $ 5,243
Impact of COVID-19 Pandemic    
Unusual Or Infrequent Item [Line Items]    
Number of domestic theaters reopened 323 152
Number of international theaters | International   198