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LEASES - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
LEASES    
Operating cash flows from operating leases $ (1,115) $ (1,246)
Operating cash flows from finance leases (148) (228)
Financing cash flows from finance leases (2,126) $ (2,018)
Right-of-use assets obtained in exchange for operating leases 8,226  
Right-of-use assets obtained in exchange for finance leases $ 121