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INCOME TAXES - Components of Pre-Tax Income (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Domestic $ (90,822) $ (149,045) $ (25,488)
Foreign (3,387) 11,512 9,830
Loss from continuing operations before income taxes $ (94,209) $ (137,533) $ (15,658)