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FAIR VALUE MEASUREMENT (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives instruments $ 460  
Total assets 460  
Derivatives instruments   $ (1,028)
Total liabilities   (1,028)
Fair Value Inputs Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives instruments 460  
Total assets $ 460  
Derivatives instruments   (1,028)
Total liabilities   $ (1,028)