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DERIVATIVE INSTRUMENTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
DERIVATIVE INSTRUMENTS      
Notional balance for hedged items, when transactions are designated as hedge accounting $ 0 $ 0  
Fair value of derivative instruments 0 0  
Derivative, Fair Value, Net 0    
Realized gain (loss) on contracts treated as cash flow hedges that were reclassified from other comprehensive income 0 524 $ (2,252)
Total realized gain (loss) on undesignated derivative financial instruments 0 180 (398)
Total unrealized gain (loss) on contracts treated as cash flow hedges, Outstanding and recognized in other comprehensive income 0 0 (910)
Total ineffective portion of designated cash flow hedges recognized in financial income during the year $ 0 $ 11 $ 185