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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (loss) Pre-Tax and After-Tax (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
After-tax |  |  |
Other comprehensive income (loss) | $ (88,214) | $ (18,911) | $ (17,618)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent |  |  |
Pre-tax |  |  |
Unrealized holding gains (losses) arising during the period | (118,832) | (24,477) | 33,575
Less: Reclassification adjustments (gains) losses realized in net income | 1,818 | (215) | (56,914)
Other comprehensive income (loss) | (117,014) | (24,692) | (23,339)
Tax |  |  |
Unrealized holding gains (losses) arising during the period | (29,247) | (5,731) | 7,884
Less: Reclassification adjustments (gains) losses realized in net income | 447 | (50) | (13,605)
Other comprehensive income (loss) | (28,800) | (5,781) | (5,721)
After-tax |  |  |
Unrealized holding gains (losses) arising during the period | (89,585) | (18,746) | 25,691
Less: Reclassification adjustments (gains) losses realized in net income | 1,371 | (165) | (43,309)
Other comprehensive income (loss) | (88,214) | (18,911) | (17,618)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Pre-tax |  |  |
Less: Reclassification adjustments (gains) losses realized in net income | 0 | 0 | 791
Tax |  |  |
Less: Reclassification adjustments (gains) losses realized in net income | 0 | 0 | 194
After-tax |  |  |
Less: Reclassification adjustments (gains) losses realized in net income | 0 | 0 | 597
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Pre-tax |  |  |
Other comprehensive income (loss) | (117,014) | (24,692) | (22,548)
Tax |  |  |
Other comprehensive income (loss) | (28,800) | (5,781) | (5,527)
After-tax |  |  |
Other comprehensive income (loss) | $ (88,214) | $ (18,911) | $ (17,021)

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