Equity (Narratives) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			6 Months Ended
	Apr. 15, 2016	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Equity [Abstract]
Distributions Declared Per Share (usd per share)		$ 0.1625	$ 0.1625	$ 0.1625	$ 0.3250	$ 0.3250
Dividend payable, date			Apr. 15, 2016		Jul. 15, 2016
Distributions paid	$ 55,100				$ 109,888	$ 107,299
Distributions payable		$ 55,408			$ 55,408		$ 54,775