v3.21.1
LEASES - Lease terms and discount rates (Details)
Mar. 31, 2021
LEASES  
Operating leases, weighted average remaining lease term 10 years 2 months 12 days
Finance leases, weighted average remaining lease term 13 years 1 month 6 days
Operating leases, weighted average discount rate 9.90%
Finance leases, weighted average discount rate 6.40%