Quarterly report [Sections 13 or 15(d)]

Leases - Additional Information (Detail)

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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Lessee, Lease, Description [Line Items]      
Right-of-use assets $ 36,300   $ 35,600
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 $ 40,486   $ 39,800
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent   us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Weighted average remaining lease term 6 years 1 month 9 days   6 years 4 months 6 days
Weighted average discount rate (percent) 3.37%   3.30%
Net lease expense $ 2,100 $ 2,200  
Cash paid for amounts included in the measurement of Company's operating lease liabilities $ 2,200 $ 2,200