Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012 Preferred Stock [Member] Series F Noncumulative Perpetual Preferred Stock [Member]	Dec. 31, 2011 Preferred Stock [Member] Series F Noncumulative Perpetual Preferred Stock [Member]	Dec. 31, 2011 Preferred Stock [Member] Series D Cumulative Perpetual Preferred Stock [Member]	Dec. 31, 2013 Preferred Stock [Member] Series E Non-Cumulative Perpetual Preferred Stock [Member]	Dec. 31, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2011 Warrants Associated With Series D Cumulative Perpetual Preferred Stock [Member]
Common cash dividends (in Dollars per share)	$ 0.08
Accretion on cumulative preferred stock (in Dollars)	$ 1,252,895
Share issuance			40,090
Redemption, shares		10,223		38,237					521,888
Share issuance, Employee Stock Purchase Plan						27,110	31,554	36,174
Share issuance, stock options exercised	36,459					41,258	17,876	36,459
Share exchange, stock options exercised						7,679	611	(2,550)
Share exchange in connection with restricted stock						16,798	576
Exercise of warrants							54,000
Share issuance, acquisition						834,715
Share conversion, shares converted					25,000
Share conversion, shares issued						2,057,502