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Employee Benefit Plans (Defined Benefit Pension Plans Recognized as Component of Other Comprehensive Income) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |
Net actuarial gain (loss) | $ 12,757 | $ (2,041) | $ 22,709
Deferred tax (expense) benefit | (2,679) | 429 | (4,769)
Other comprehensive income (loss), net of tax | $ 10,078 | $ (1,612) | $ 17,940

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