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OPERATING LEASES - COMPONENTS OF LEASE COSTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Lease Cost      
Operating lease costs $ 944 $ 946 $ 1,143
Variable lease costs 310 252 293
Total lease costs $ 1,254 $ 1,198 $ 1,436