Preferred Stock (Narrative) (Details) (USD $)	0 Months Ended					0 Months Ended
	Jan. 23, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 19, 2008	Dec. 28, 2012 Preferred Class A [Member]	Dec. 19, 2008 Preferred Class A [Member]
Class of Stock [Line Items]
US Department of the Treasury Investment under the Treasury's Capital Purchase Program							$ 10,000,000
Preferred Stock, Shares Issued							10,000
Preferred Stock, Liquidation Preference, Value							1,000
Warrants and Rights Outstanding					73,099
Class of Warrant or Right, Exercise Price of Warrants or Rights		20.52	20.52	20.52	20.52
Stock Repurchased and Retired During Period, Shares						10,000
Stock Repurchased and Retired During Period, Value						10,000,000
Dividends, Preferred Stock, Cash						59,722
Stock Warrants Repurchased and Retired During Period, Purchase Price	$ 58,479