Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Series F Noncumulative Perpetual Preferred Stock Redemption Two[Member] Preferred Stock [Member]	Mar. 31, 2014 Series F Noncumulative Perpetual Preferred Stock Redemption Two[Member] Preferred Stock [Member]	Mar. 31, 2014 Common Stock [Member] Restricted Stock [Member] Exchange [Member]	Mar. 31, 2013 Common Stock [Member] Exchange [Member]	Sep. 30, 2014 Common Stock [Member]	Jun. 30, 2014 Common Stock [Member]	Mar. 31, 2014 Common Stock [Member]	Sep. 30, 2013 Common Stock [Member]	Jun. 30, 2013 Common Stock [Member]	Mar. 31, 2013 Common Stock [Member]
Redemption of shares of Series F Noncumulative Perpetual Preferred Stock			14,867	15,000
Proceeds from issuance of shares of common stock as a result of stock purchased under the Employee Stock Purchase Plan							5,481	8,361	6,189	5,973	9,560	5,884
Proceeds from issuance of shares of common stock as a result of stock options exercised						7,048	2,400	630	9,814	7,230	3,769	19,278
Exchange of shares of common stock in connection with restricted stock vested, net					10,300							16,798
Common cash dividends declared per share (in Dollars per share)	$ 0.04	$ 0.04
Proceeds from issuance of shares of common stock as a result of the acquisition of Community National Bancorporation, net											834,715