Leases - Summary of Weighted-average Remaining Lease Terms and Discount Rates (Detail)	Dec. 31, 2020
Weighted-average remaining lease term (years)
Operating leases	9 years 2 months 12 days
Finance leases	10 years 7 months 6 days
Weighted-average discount rate
Operating leases	4.80%	[1]
Finance leases	17.30%

[1] Upon adoption of the new lease standard, discount rates used for existing leases were established at January 1, 2019.