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Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Common stock cash dividends, per share	$ 0.11	$ 0.086
Issuance of common stock under dividend reinvestment and stock purchase plan	5,537	6,614
Issuance of common stock under stock option plan		3,466

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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