Leases - Summary of Weighted Average Remaining Lease Term and Discount Rates (Detail)	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Weighted average remaining lease term — finance leases	7 months 6 days	7 months 6 days
Weighted average remaining lease term — operating leases	5 years 1 month 9 days	5 years 7 months 9 days
Weighted average discount rate — finance leases	1.56%	3.88%
Weighted average discount rate — operating leases	2.14%	2.64%