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LEASES - Lease Terms and Discount Rates (Details)
Dec. 31, 2020
Dec. 31, 2019
Operating    
Weighted average remaining lease term 2 years 3 years
Weighted average discount rate 4.03% 4.04%
Finance    
Weighted average remaining lease term 1 year 8 months 12 days 2 years 8 months 12 days
Weighted average discount rate 4.00% 4.00%