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LEASES - Lease Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease costs $ 134 $ 124
Finance lease costs:    
Amortization of right-of-use assets 216 216
Interest on lease liabilities 12 22
Variable lease costs 12 13
Total lease costs $ 374 $ 375