Equity (Common Stock Dividends) (Narrative) (Details) - $ / shares		3 Months Ended
	Feb. 23, 2016	Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Quarterly dividend of common stock declared (in dollar per share)	$ 0.1375	$ 0.14	$ 0
Annualized dividend rate (in dollars per share)	$ 0.55