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LEASES - Balance Sheet Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Operating lease    
Operating lease right-of-use assets $ 5,495 $ 6,882
Current operating lease liabilities 1,858 1,765
Long-term operating lease liabilities 6,203 $ 8,061
Present value of lease liabilities $ 8,061  
Weighted average remaining lease term (years) 3 years 9 months  
Weighted average discount rate 5.15%