Condensed Consolidated Statement of Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Other Comprehensive Loss [Member]	Retained Earnings (Accumulated Deficit) [Member]
Balance at Dec. 31, 2015	$ 1,683,028	$ 707	$ 1,572,972	$ (104,647)	$ 213,996
Balance, shares at Dec. 31, 2015	70,745,746	70,746,000
Common stock issued under stock incentive plans	$ 281	$ 3	278
Common stock issued under stock incentive plans, shares	12,700	291,000
Common stock withheld for minimum statutory taxes	$ (7,646)		(7,646)
Equity-based compensation expense	13,844		13,844
Issuance of common stock, net	901,979	$ 155	901,824
Issuance of common stock, net, shares		15,534,000
Other comprehensive loss	(237,964)			(237,964)
Other	625		625
Net income	82,133				82,133
Balance at Jun. 30, 2016	$ 2,436,280	$ 865	$ 2,481,897	$ (342,611)	$ 296,129
Balance, shares at Jun. 30, 2016	86,571,040	86,571,000