Equity Schedule of Equity by Type (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Class of Stock [Line Items]
Proceeds from Issuance of Common Stock		$ 4,220,766	$ 323,798
Common Stock [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	40,150,000	45,255,158	0
Proceeds from Issuance of Common Stock	$ 402	$ 454
May 2017 Equity Offering [Member] | Common Stock [Member]
Class of Stock [Line Items]
Sale of Stock, Transaction Date		May 01, 2017
Stock Issued During Period, Shares, New Issues		4,750,000
Proceeds from Issuance of Common Stock		$ 442,000