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LEASES - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Leases [Abstract]    
Operating lease cost $ 1,126 $ 2,198
Finance lease cost    
Amortization of ROU leased assets 36 72
Interest on lease liabilities 17 35
Net lease cost $ 1,179 $ 2,305