Annual report pursuant to Section 13 and 15(d)

Leases - Additional Information (Detail)

v3.22.4
Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Lessee, Lease, Description [Line Items]      
Right-of-use assets $ 40,400 $ 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 $ 44,225 $ 49,700  
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent  
Net rental expenses $ 8,300 $ 8,500 $ 8,500
Weighted average remaining lease term 7 years 1 month 13 days 7 years 10 months 6 days  
Weighted average discount rate (percent) 2.42% 2.38%  
Net lease expense $ 8,300 $ 8,500 8,500
Operating lease costs 7,900 8,100 8,500
Cash paid for amounts included in the measurement of Company's operating lease liabilities $ 8,000 $ 8,000 $ 7,600
Minimum      
Lessee, Lease, Description [Line Items]      
Operating lease remaining term 1 year    
Finance lease remaining term 1 year    
Maximum      
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