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Employee Benefit Plans (Defined Benefit Pension Plans not Recognized as Component of Combined Net Period Benefit Cost) (Detail) - Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items] |  |
Net actuarial loss | $ (26,806) | $ (30,918)
Deferred tax benefit | 5,630 | 6,493
Amounts included in accumulated other comprehensive loss, net of tax | $ (21,176) | $ (24,425)

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