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LONG TERM DEBT AND CAPITAL LEASES - Schedule of Gain (Loss) On Cash Flow Hedges (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on cash flow hedging $ (363) $ (421) $ 0
Designated as hedging instrument | Interest rate swaps | Interest expense      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on cash flow hedging $ (363) $ (421) $ 0