Employee Benefit Plans - Changes in Other Comprehensive Income (Loss) (Detail) - Defined Benefit Pension Plans - 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) arising during the year	$ 1,618	$ (934)	$ 1,330
Amortization of unrecognized net actuarial gain (loss)	(1,562)	1,412	1,584
Total	$ 56	$ 478	$ 2,914