Employee Benefit Plans (Defined Benefit Pension Plans Recognized as Component of Other Comprehensive Income) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Net actuarial gain (loss)	$ 22,709	$ (6,199)	$ 1,979
Deferred tax (expense) benefit	(4,769)	1,302	(416)
Other comprehensive income (loss), net of tax	$ 17,940	$ (4,897)	$ 1,563