Subsequent Events (Common Stock Dividend) (Details) - $ / shares			3 Months Ended
	May. 04, 2016	Feb. 23, 2016	Mar. 31, 2016	Mar. 31, 2015
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollar per share)		$ 0.1375	$ 0.14	$ 0
Annualized dividend rate (in dollars per share)		$ 0.55
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollar per share)	$ 0.1375
Annualized dividend rate (in dollars per share)	$ 0.55