CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Common Stock, Shares, Outstanding	68,075,700	68,075,700
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,852,401	$ 681	$ 305,607	$ 1,559,515	$ (13,402)
Net loss	(556,798)			(556,798)
Other Comprehensive Income (Loss), Net of Tax	(760)				(760)
Dividends, Common Stock, Cash	(7,748)			(7,748)
Stock Issued During Period, Shares, Employee Stock Purchase Plans		140,853
Stock Issued During Period, Value, Employee Stock Purchase Plan	2,354	$ 1	2,353
Stock Issued During Period, Shares, Restricted Stock Units And Performance Share Units		198,456
Stock Issued During Period, Value, Restricted Stock Units And Performance Share Units	(2,341)	$ 2	(2,343)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		53,473
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	20,485	$ 1	20,484
Stock Issued During Period, Shares, New Issues		18,400,000
Stock Issued During Period, Value, New Issues	530,912	$ 184	530,728
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Net of Issuance Costs	38,860		38,860
Capped Call Transaction Costs	(24,183)		(24,183)
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	$ (5,267)		(5,267)
Common Stock, Shares, Outstanding	86,868,482	86,868,482
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,847,915	$ 869	$ 866,239	$ 994,969	$ (14,162)