Leases - Summary of Weighted-average Remaining Lease Terms and Discount Rates (Detail)	Mar. 31, 2021
Weighted-average remaining lease term (years)
Operating leases	9 years 1 month 6 days
Finance leases	10 years 3 months 18 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.