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FAIR VALUE OF FINANCIAL INSTRUMENTS (Income Loss) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
General and Administrative Expense [Member]      
Derivative Instruments Gain Loss [Line Items]      
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments $ (2,312) $ 2,072 $ (6,643)