Commitments and Contingencies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Commitments And Contingencies [Line Items]
Operating lease expense	$ 5,400,000
Health plan annual stop-loss insurance per claim	200,000
Workers compensation insurance with no stop-loss for prior claim years	350,000
Accruals for health and workers' compensation plans	2,500,000	$ 2,200,000
Facility [Member]
Commitments And Contingencies [Line Items]
Operating lease expense	$ 5,600,000	$ 3,700,000	$ 3,900,000