v3.25.4
Subordinated Debt - Schedule of Total Subordinated Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Subordinated Borrowing [Line Items]    
Subordinated debt $ 98,145 $ 97,477
Subordinated Debentures [Member]    
Subordinated Borrowing [Line Items]    
Subordinated debentures 24,308 23,946
Subordinated Notes [Member]    
Subordinated Borrowing [Line Items]    
Subordinated debentures   73,531
Subordinated debt $ 73,837 $ 73,531