Subsequent Events (Details) (USD $)	0 Months Ended	3 Months Ended
	Apr. 25, 2012	Mar. 31, 2012	May 02, 2012	Apr. 20, 2012 item	Apr. 19, 2012	Dec. 31, 2011	Mar. 31, 2011
Subsequent Events [Abstract]
Stock repurchase program, number of shares requested to be purchased		100,000
Subordinated notes that qualify as Tier 2 Capital		$ 30,000,000
Number of purchasers				56
Debt instrument, aggregate principal amount				30,000,000
Debt instrument, stated percentage				7.00%
Debt instrument, maturity date		Apr. 20, 2022
Percentage of purchase price paid to acquire each note				100.00%
Share repurchase program, number of shares authorized to be repurchased					100,000
Preferred stock, shares issued	100,000	100,000				100,000
Stock repurchased during period, purchase price	100,000,000
Stock repurchased during period, total consideration	100,972,222
Accrued and unpaid dividends	972,222
Stock repurchased during period, value	1,600,000
Shares amount included in repurchase Warrant			227,376
Aggregate consideration of shares included in Warrant			$ 2,842,400
Common share warrants exercise price			$ 12.50				$ 76.41