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Accumulated Other Comprehensive Income (Loss) ("AOCI/L") - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (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
Share-based Payment Arrangement [Abstract] |  |  |  |
Accumulated other comprehensive income (loss), unrealized gain (loss) before reclassification, net of tax | $ 4 | $ 12 | $ 5 | $ 523
Accumulated other comprehensive income (loss), reclassification of AOCI/L to income, net of tax | $ (52) | $ (90) | $ (182) | $ (157)

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- Definition Other Comprehensive Income Loss Cash Flow Hedge Gain Loss and Unrealized Holding Gain Loss On Securities Before Reclassification Tax + References No definition available. + Details
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- Definition Other Comprehensive Income Loss Cash Flow Hedge Gain Loss and Unrealized Holding Gain Loss On Securities Reclassification Tax + References No definition available. + Details
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- References No definition available. + Details
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