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DERIVATIVE INSTRUMENTS (Schedule of Derivative Contracts on Unaudited Consolidated Statements of Operations) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Operating income (expenses) $ 1,000 $ (51)
Financial income $ 37 $ 658