Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified		0 Months Ended
	Jul. 25, 2013 Series C Preferred Stock [Member]	Jul. 26, 2013 Subsequent Event [Member]	Jul. 25, 2013 Subsequent Event [Member]	Jul. 26, 2013 Subsequent Event [Member] For the Three Months Ending September 30, 2013 [Member]	Jul. 24, 2013 Subsequent Event [Member] Common Stock [Member]	Jul. 25, 2013 Subsequent Event [Member] Series C Preferred Stock [Member]
Subsequent Event [Line Items]
Units issued					59,870,550	5,200,000
Share price					$ 3.09
Proceeds from Issuance from public offering					$ 175	$ 125
Stock issued during period, value						130
Preferred stock, no par value	$ 0
Liquidation preference per share						$ 25
Preferred stock, dividend rate, percentage						7.875%
Variable rate basis			three-month LIBOR
Basis spread on variable rate			6.39%
Stock redeemed		967,870
Expected reduction in net income available to common shareholders				$ 5.1