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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (loss) Pre-Tax and After-Tax (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
After-tax |  |
Other comprehensive income (loss) | $ (42,910) | $ (16,910)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent |  |
Pre-tax |  |
Unrealized holding gains (losses) arising during the period | (57,161) | (22,425)
Less: Reclassification adjustments for (gains) losses realized in net income (loss) | 264 | 202
Other comprehensive income (loss) | (56,897) | (22,223)
Tax |  |
Unrealized holding gains (losses) arising during the period | (14,052) | (5,361)
Income taxes | 65 | 48
Other comprehensive income (loss) | (13,987) | (5,313)
After-tax |  |
Unrealized holding gains (losses) arising during the period | (43,109) | (17,064)
Less: Reclassification adjustments for (gains) losses realized in net income (loss) | 199 | 154
Other comprehensive income (loss) | $ (42,910) | $ (16,910)

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