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Fair Values of Assets and Liabilities - Losses Realized on Assets Measured on Non-Recurring Basis (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Fair Value Disclosures [Abstract] |  |  |  |
Impaired loans | $ (6,251) | $ (6,914) | $ (15,488) | $ (12,413)
Other real estate owned | (35) | (34) | (35) | (68)
Total losses | $ (6,286) | $ (6,948) | $ (15,523) | $ (12,481)

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- Definition Net losses on assets measured on nonrecurring basis. + References No definition available. + Details
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- Definition Net losses on impaired loans still held at the end of the period. + References No definition available. + Details
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- Definition Net losses on other real estate owned still held at the end of the period + References No definition available. + Details
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- References No definition available. + Details
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