Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.22.1
Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Lessee, Lease, Description [Line Items]      
Right-of-use assets $ 44,500   $ 46,300
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Prepaid expenses and other assets   Prepaid expenses and other assets
Total lease liabilities - Operating leases $ 47,986   $ 49,700
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent   us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Weighted average remaining lease term 7 years 8 months 4 days   7 years 10 months 6 days
Weighted average discount rate (percent) 2.38%   2.38%
Net lease expense $ 2,100 $ 2,100  
Operating lease costs 2,000 2,000  
Cash paid for amounts included in the measurement of Company's operating lease liabilities $ 2,000 $ 2,000  
Minimum      
Lessee, Lease, Description [Line Items]      
Operating lease remaining term 1 year    
Finance lease remaining term 1 year    
Maximum [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease remaining term 13 years    
Finance lease remaining term 13 years    
Operating lease extension term 5 years    
Finance lease extension term 5 years