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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Common stock cash dividends declared (in dollars per share)	$ 0.495	$ 0.465
Treasury shares purchased under deferred directors' plan (in shares)	14,741	10,187
Treasury stock shares sold (in shares)		30,100
Stock activity under stock compensation plans (in shares)	129,228	42,200

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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