XML 41 R31.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Summary of Information Relating to Lease Term and Discount Rate (Detail)
Dec. 31, 2020
Dec. 31, 2019
Weighted average remaining lease term (in months)    
Operating leases 19 years 28 years 7 months 6 days
Finance leases 41 years 2 months 12 days 53 years 2 months 12 days
Weighted average discount rate    
Operating leases 7.50% 7.50%
Finance leases 7.50% 7.50%