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FAIR VALUE PRESENTATION (Narrative) (Details) - 6 months ended Jun. 30, 2019
₪ in Thousands, $ in Thousands
USD ($)
ILS (₪)
FAIR VALUE MEASURMENTS [Abstract]    
Currency hedging transactions, maximum term 1 year  
Total hedged amount | ₪   ₪ 1,800
Derivative liability $ 1  
Foreign exchange risk lien on marketable securities for bank guarantees granted to secure hedging transactions 282  
Foreign exchange risk lien on checking account for bank guarantees granted to secure hedging transactions $ 250