v3.26.1
Loans and Leases - Additional Information (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans held for sale $ 35,224 $ 31,277
Related party loans 25,006,238 24,720,620
Directors and Officers [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Related party loans $ 50,594 $ 42,441