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
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)

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

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)