Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Common cash dividends (in Dollars per share)	$ 0.08	$ 0.08	$ 0.08
Proceeds from issuance of shares of common stock as a result of stock options exercised	23,659	41,258	17,876
Unrealized gains on securities available for sale, tax (in Dollars)	$ 12,108,137
Unrealized losses on interest rate caps derivatives, tax (in Dollars)	$ (399,367)
Series F Noncumulative Perpetual Preferred Stock [Member]
Redemption of shares of Noncumulative Perpetual Preferred Stock	29,867		10,223
Series E Non-Cumulative Perpetual Preferred Stock [Member] | Preferred Stock [Member]
Conversion of shares Non-cumulative Perpetual Preferred Stock		25,000
Common Stock [Member]
Proceeds from issuance of shares of common stock as a result of stock purchased under the Employee Stock Purchase Plan	25,321	27,110	31,554
Proceeds from issuance of shares of common stock as a result of stock options exercised	23,659	41,258	17,876
Exchange of shares of common stock in connection with stock options exercised		7,679	611
Exchange of shares of common stock in connection with payroll taxes for restricted stock			576
Proceeds from exercise of warrants to purchase shares of common stock issued in conjunction with the Series A Subordinated Notes			54,000
Issuance of shares of common stock as a result of the acquisition of Community National Bancorporation, net		834,715
Conversion to shares of common stock		2,057,502
Exchange of shares of common stock in connection with restricted stock vested	10,300	16,798