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FAIR VALUE OF FINANCIAL INSTRUMENTS (Income Loss) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
General And Administrative Expense [Member]        
Derivative Instruments Gain Loss [Line Items]        
General and administrative expenses $ (93) $ 4,452 $ 614 $ 5,036