Quarterly report [Sections 13 or 15(d)]

Servicing Assets - Additional Information (Detail)

v3.25.1
Servicing Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Risks Inherent In Servicing Assets And Servicing Liabilities [Line Items]      
Serviced loans sold to unaffiliated parties $ 525,400   $ 560,100
Servicing fee income $ 1,300 $ 1,300  
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income  
Amortization expense $ 692 $ 694  
Fair value of servicing rights 8,200   $ 7,900
Residential mortgage loans $ 35,800    
Minimum      
Risks Inherent In Servicing Assets And Servicing Liabilities [Line Items]      
Discount rates ranging 9.90%   10.80%
Prepayment speeds 10.00%   15.40%
Maximum      
Risks Inherent In Servicing Assets And Servicing Liabilities [Line Items]      
Discount rates ranging 17.70%   27.30%
Prepayment speeds 27.30%   21.20%