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FAIR VALUE MEASUREMENT (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives instruments $ (919) $ (7)
Total liabilities (919) (7)
Fair Value Inputs Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives instruments (919) (7)
Total liabilities $ (919) $ (7)