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INCOME TAXES - Schedule of Components of Income Tax Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Income Tax Disclosure [Abstract]        
Current tax expense $ (8,852) $ (18,875) $ (10,189) $ (44,987)
Deferred tax benefit (expense) (137,933) 1,467 (19,230) (3,105)
Income tax expense $ (146,785) $ (17,408) $ (29,419) $ (48,092)