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DERIVATIVE FINANCIAL INSTRUMENTS (Fair Value of Derivative Assets and Liabilities) (Details) - Level 2 - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Foreign Currency Derivatives [Abstract]    
Derivative asset, gross forward foreign currency exchange contracts $ 771 $ 943
Derivative asset, netting of counterparty contracts (771) (943)
Derivative asset, net foreign currency forward contract derivatives 0 0
Derivative liability, gross forward foreign currency exchange contracts (1,704) (2,256)
Derivative liability, netting of counterparty contracts 771 943
Derivative liability, net foreign currency forward contract derivatives $ (933) $ (1,313)