Subsequent Events (Common Stock Dividend) (Details) - $ / shares			3 Months Ended		9 Months Ended
	Nov. 01, 2016	Aug. 01, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Aug. 02, 2016
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollars per share)		$ 0.1375	$ 0.14	$ 0.14	$ 0.41	$ 0.14
Annualized dividend rate (in dollars per share)							$ 0.55
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollars per share)	$ 0.1375
Annualized dividend rate (in dollars per share)	$ 0.55