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Consolidated Statements Of Changes In Shareholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Common stock, shares issued	32,765	26,500	16,047
Cash dividends per share (in Dollars per share)	$ 1.09	$ 0.84	$ 0.84
Common stock issued through dividend reinvestment	2,883
Common Stock [Member]
Common stock, shares issued	32,765	26,500	16,047
Cash dividends per share (in Dollars per share)	$ 1.09	$ 0.84	$ 0.84
Common stock issued through dividend reinvestment	2,883

Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

Number of new stock issued during the period.