INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income tax benefit	$ 41,160	$ (5,590)	$ 18,574	$ (66,293)
Loss before income taxes	$ 127,570	$ (103,594)	$ 79,786	$ (293,246)
Effective tax rate	32.00%	5.00%	23.00%	23.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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