Earnings (Losses) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 31, 2017
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax	$ (103,376)	$ (143,587)
Less: net (income) loss attributable to noncontrolling interest	(14,176)	(539)
Less: preferred stock dividends	(4,313)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary	(5,063)	(2,399)
Less: distributed and undistributed earnings allocated to unvested shareholders	(118)	3,360
Adjusted income (loss) from continuing operations, net of tax - basic	(127,046)	(143,165)
Income (loss) from discontinued operations, net of tax	$ (157)	$ (75)
Weighted-average number of shares outstanding - basic	350,764	308,788
Earnings (losses) Per Share - Basic
Basic from continuing operations (in dollars per share)	$ (0.36)	$ (0.46)
Total Basic (in dollars per share)	$ (0.36)	$ (0.46)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic	$ (127,046)	$ (143,165)
Adjusted income (loss) from continuing operations, net of tax - diluted	(127,046)	(143,165)
Income (loss) from discontinued operations, net of tax	$ (157)	$ (75)
Weighted-average number of shares outstanding - basic	350,764	308,788
Weighted-average number of shares outstanding - diluted	350,764	308,788
Earnings (losses) per share:
Diluted from continuing operations (in dollars per share)	$ (0.36)	$ (0.46)
Total Diluted (in dollars per share)	$ (0.36)	$ (0.46)
0.75% senior exchangeable notes due January 2024
Earnings (losses) per share:
Aggregate amount of senior notes	$ 575,000		$ 575,000
Interest rate on senior notes due (as a percent)	0.75%
0.75% senior exchangeable notes due January 2024 | Minimum
Earnings (losses) per share:
Share issued price (in dollars per share)	$ 25.16