Subsequent Events (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jul. 15, 2014 Subsequent Event [Member]	Jul. 25, 2014 Recourse Debt [Member] Subsequent Event [Member] notice
Subsequent Event [Line Items]
Dividends declared on common stock (in dollars per share)	$ 0.05	$ 0.08	$ 0.05	$ 0.08	$ 0.05
Debt Instrument, Number of Notices Issued to Call Debt						2
Debt Instrument, Notice Call to Retire Notes						$ 320,000,000