Leases - Schedule Of Remaining Lease Term and Discount Rates (Detail)	Dec. 31, 2020	Dec. 31, 2019
Weighted-average remaining lease term (years):
Operating leases	6 years	7 years
Finance leases	2 years	3 years
Weighted-average discount rate:
Operating leases	4.20%	4.30%
Finance leases	3.40%	3.50%