Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Common Stock, Dividends, Per Share, Declared	$ 0.55	$ 0.51
Treasury shares issued under stock option plan, shares	4,794	3,598
Common Stock [Member]
Common stock issued under dividend reinvestment plan, shares	36,608	29,142