Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Weighted average discount rate	2.47%	3.47%
Operating lease cost	$ 8.1	$ 8.5
Weighted average remaining lease term	5 years 9 months 18 days	5 years 7 months 6 days