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LEASES - Components of Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Finance lease cost:    
Amortization of leased asset $ 0 $ 10
Interest on lease liabilities 0 4
Operating lease cost 0 54
Short-term lease cost 0 52
Total lease cost $ 0 $ 120