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LEASES - Components of Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
LEASES        
Amortization of right-of-use assets $ 344 $ 352 $ 691 $ 703
Interest on lease liabilities 15 48 39 103
Total finance lease cost 359 400 730 806
Operating lease cost 387 366 775 809
Total lease cost $ 746 $ 766 $ 1,505 $ 1,615