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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, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Fair Value Disclosures [Abstract] |  |  |  |
Impaired loans | $ (745) | $ (3,695) | $ (2,537) | $ (9,940)
Other real estate owned | 0 | (4) | 0 | (4)
Total losses | $ (745) | $ (3,699) | $ (2,537) | $ (9,944)

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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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