Subsequent Events (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014 Paid subsequent to quarter end [Member]		Dec. 31, 2014 Paid subsequent to quarter end [Member] Common Stock [Member]
Subsequent Event [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.35	$ 0	$ 1.05	$ 0	$ 0.8200
Dividends Payable, Date of Record							Dec. 19, 2014
Dividends, Common Stock, Cash					$ 275,000,000	[1]
Dividends Payable, Date to be Paid							Dec. 31, 2014

[1] Inclusive of dividends accrued for holders of unvested restricted stock units.