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Fair Value Measurement - Quantitative Information about (Level 3) Fair Value Measurements for Financial Instruments Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Collateral dependent loans |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value | $ 8,384 | $ 4,175
Foreclosed assets (Residential real estate) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair Value |  | $ 50

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