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LEASES - Lease Term and Discount Rate (Details)
Dec. 31, 2020
Dec. 31, 2019
Weighted Average Remaining Lease Term (years)    
Operating lease, weighted average remaining lease term 10 years 11 years
Finance lease, weighted average remaining lease term 2 years 3 years
Weighted Average Discount Rate    
Operating lease, weighted average discount rate 4.20% 4.20%
Finance lease, weighted average discount rate 3.10% 3.10%