Capital Preferred Stock (parenthetical) (Details)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Sep. 30, 2006 Series A Preferred Stock [Member]	Dec. 31, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]	Dec. 31, 2011 Series B Preferred Stock [Member]	Dec. 31, 2013 Series E Preferred Stock [Member]	Dec. 31, 2012 Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Authorized	50,000,000	50,000,000			5,000			5,010		5,000
Preferred Stock, Shares Outstanding	7,000	7,000	1,725	1,725		1,025	1,025		4,500	4,500