Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Detail)

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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets $ 6,457 $ 7,070 $ 7,176
Non-recurring Basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Collateral dependent loans 3,467 [1] 7,352 [2]  
Other real estate owned 117 117  
Repossessed personal property 568 1,305  
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 0 [1] 0 [2]  
Other real estate owned 0 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 0 [1] 0 [2]  
Other real estate owned 0 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 3,467 [1] 7,352 [2]  
Other real estate owned 117 117  
Repossessed personal property $ 568 $ 1,305  
[1] Consisted of real estate loans of $3.5 million.
[2] Consisted of real estate loans of $2.2 million and commercial and industrial loans of $5.2 million.