Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.23.3
Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Lessee, Lease, Description [Line Items]          
Right-of-use assets $ 43,000   $ 43,000   $ 40,400
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Prepaid expenses and other assets   Prepaid expenses and other assets   Prepaid expenses and other assets
Total lease liabilities - Operating leases $ 46,960   $ 46,960   $ 44,200
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent   us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent   us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Weighted average remaining lease term 7 years 18 days   7 years 18 days   7 years 1 month 13 days
Weighted average discount rate (percent) 2.92%   2.92%   2.42%
Aggregate cash purchase price $ 7,800   $ 7,800    
Sale of the building lease 4,000        
Net lease expense 2,400 $ 2,100 6,600 $ 6,200  
Aggregate annual lease expense 400        
Operating lease costs 2,300 2,000 6,500 5,900  
Cash paid for amounts included in the measurement of Company's operating lease liabilities $ 2,300 $ 1,900 $ 6,400 $ 5,900  
Lease term 10 years        
Sale lease back renewal option with two five year        
Minimum          
Lessee, Lease, Description [Line Items]          
Operating lease remaining term 1 year   1 year    
Finance lease remaining term 1 year   1 year    
Maximum          
Lessee, Lease, Description [Line Items]          
Operating lease remaining term 13 years   13 years    
Finance lease remaining term 13 years   13 years    
Operating lease extension term 5 years   5 years    
Finance lease extension term 5 years   5 years