v3.26.1
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Servicing assets $ 6,419 $ 6,535 $ 6,459 $ 6,420 $ 6,422 $ 6,457
Non-recurring Basis            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Collateral dependent loans [1]     12,539      
Other real estate owned     1,980      
Repossessed personal property 284   588      
Non-recurring Basis | Quoted Prices in Active Markets for Identical Assets            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Collateral dependent loans [1]     0      
Other real estate owned     0      
Repossessed personal property 0   0      
Non-recurring Basis | Significant Observable Inputs with No Active Market with Identical Characteristics            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Collateral dependent loans [1]     0      
Other real estate owned     0      
Repossessed personal property 0   0      
Non-recurring Basis | Significant Unobservable Inputs            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Collateral dependent loans [1]     12,539      
Other real estate owned     1,980      
Repossessed personal property $ 284   $ 588      
[1] Consisted entirely of real estate loans.