Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 136	$ (3)	$ 602	$ 458
Net loss before income taxes	$ 39,794	$ 82,513	$ 194,832	$ 154,588
Effective income tax rate	(0.30%)	0.00%	(0.30%)	(0.30%)

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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