Equity and Accumulated Other Comprehensive Loss, Net (Forward Equity Sale) (Details) - USD ($) $ in Thousands				12 Months Ended
	Sep. 27, 2016	Jun. 02, 2016	May 20, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Common stock, shares issued (in shares)				159,019,118	146,384,247
Gross proceeds from the issuance of common stock				$ 1,089,154	$ 675,577	$ 0
Common Stock
Class of Stock [Line Items]
New issues of stock during period (in shares/units)				12,000,000	10,500,000	6,869,912
Forward Equity Sale
Class of Stock [Line Items]
Common stock subject to forward sale agreements (shares)				2,375,000
Forward Equity Sale | Common Stock
Class of Stock [Line Items]
New issues of stock during period (in shares/units)		14,375,000	12,500,000
New Issues of stock during period, underwriters option (shares)		1,875,000
Common stock, shares issued (in shares)	12,000,000
Gross proceeds from the issuance of common stock	$ 1,100,000