Annual report pursuant to Section 13 and 15(d)

Leases - Additional Information (Details)

v3.21.1
Leases - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2020
Leases [Line Items]      
Right-of-use assets $ 87,508,000    
Operating lease liabilities $ 94,891,000    
Lessee, operating lease, option to extend Some leases include one or more options to exercise renewal terms, generally at our sole discretion, that can extend the lease term.    
Lessee, operating lease, option to terminate Certain leases contain rights to terminate whereby those termination options are held by either the Company, the lessor, or both parties.    
Occupancy, Equipment and Communication Expense      
Leases [Line Items]      
Rent expense   $ 29,600,000  
Minimum      
Leases [Line Items]      
Operating lease, Term 1 year    
Maximum      
Leases [Line Items]      
Operating lease, Term 12 years    
Topic 842      
Leases [Line Items]      
Right-of-use assets     $ 72,700,000
Operating lease liabilities     78,300,000
Finance lease, liability     $ 0