Earnings (Loss) Per Share - Summary of Earnings (Loss) Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Numerator used in basic and diluted earnings (loss) per common share for continuing operations:
Loss from continuing operations	$ (110,314)	$ (165,635)
Net loss attributable to noncontrolling interests	(2,731)	(1,692)
Loss from continuing operations	(113,045)	(167,327)
Subtotal: accretion of Series A Preferred Stock and other redeemable noncontrolling interests and equity	263	(57,403)
Net loss from continuing operations available to common stockholders for basic and diluted earnings per share	(112,782)	(224,730)
Numerator used in basic and diluted earnings (loss) per common share for discontinued operations:
Income from discontinued operations, net of tax	56,574	18,853
Loss on sales of discontinued operations, net of tax	248,005	318,327
(Income) loss attributable to noncontrolling interests	(291)	(974)
Net income (loss) from discontinued operations for basic and diluted earnings per share, basic	$ 304,288	$ 336,206
Denominator used in basic and diluted earnings (loss) per common share:
Basic weighted average shares outstanding (in shares)	224,655	187,765
Basic and diluted earnings (loss) per share:
Loss from continuing operations (in dollars per share)	$ (0.50)	$ (1.20)
Income from discontinued operations (in dollars per share)	1.35	1.79
Basic and diluted earnings per share (in dollars per share)	$ 0.85	$ 0.59
Redeemable noncontrolling interests and equity
Numerator used in basic and diluted earnings (loss) per common share for continuing operations:
Accretion of redemption value of redeemable noncontrolling interests and equity	$ 263	$ (76)
Accretion of Series A Preferred Stock	263	(76)
Series A Convertible Redeemable Preferred Stock
Numerator used in basic and diluted earnings (loss) per common share for continuing operations:
Accretion of redemption value of redeemable noncontrolling interests and equity		(57,324)
Adjusted for: accretion related to noncontrolling interests and equity redeemable at fair value	0	(3)
Accretion of Series A Preferred Stock	$ 0	$ (57,324)

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Preferred Stock Dividends, Distributions and Other Adjustments

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Amount of decrease (increase) in additional paid in capital (APIC) for the increase in carrying amount of redeemable preferred stock.

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Amount before tax of income (loss) from operations classified as a discontinued operation attributable to the noncontrolling interest. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

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Amount after tax of income (loss) from continuing operations attributable to the parent.

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