Annual report pursuant to Section 13 and 15(d)

Operating and Finance Lease Right-of-Use Assets - Additional Information (Detail)

v3.20.4
Operating and Finance Lease Right-of-Use Assets - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Operating lease ROU assets $ 48,203 $ 54,550 $ 65,000
Operating lease liabilities $ 56,703   $ 74,400
Operating lease, existence of option to extend true    
Operating lease, option to extend Many of these leases contain options under which we can extend the term from five to twenty years, the exercise of which is at our sole discretion.    
Finance lease, existence of option to extend true    
Finance lease, option to extend Many of these leases contain options under which we can extend the term from five to twenty years, the exercise of which is at our sole discretion.    
Operating lease, rent abatement concessions $ 300    
Deferred Cash Payments For Leases $ 700    
Minimum [Member]      
Operating lease, remaining lease term 1 year    
Operating lease, extension term 5 years    
Finance lease, extension term 5 years    
Maximum [Member]      
Operating lease, remaining lease term 20 years    
Operating lease, extension term 20 years    
Finance lease, extension term 20 years    
Accounting Standards Update 2016-02 [Member]      
Operating lease ROU assets   $ 4,200  
Operating lease liabilities $ 4,200