CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Stockholders' Equity [Member]	Noncontrolling Interest [Member]
Balances at beginning of period at Dec. 31, 2015	$ 2,458,727	$ 1,883	$ 4,069,283	$ (46,800)	$ (1,565,478)	$ 2,458,888	$ (161)
Balances at beginning of period - shares (in share) at Dec. 31, 2015	188,338,790	188,339,000
Compensation expense related to restricted stock grants	$ 18,763	$ 0	18,763	0	0	18,763	0
Net income (loss)	(84,308)	0	0	0	(84,225)	(84,225)	(83)
Issuance of common stock under Associate Stock Purchase Plan	1,175	$ 1	1,174	0	0	1,175	0
Issuance of common stock under Associate Stock Purchase Plan - shares (in shares)		84,000
Restricted stock, net	0	$ 25	(25)	0	0	0	0
Restricted stock, net - shares (in shares)		2,488,000
Other	(906)	$ (1)	(905)	0	0	(906)	0
Stock Issued During Period, Shares, Other		(68,000)
Balances at end of period at Jun. 30, 2016	$ 2,393,451	$ 1,908	$ 4,088,290	$ (46,800)	$ (1,649,703)	$ 2,393,695	$ (244)
Balances at end of period - shares (in shares) at Jun. 30, 2016	190,843,340	190,843,000