Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.74	$ 0.68	$ 0.68
Treasury shares issued under stock option plan, shares	4,794	3,793	4,007
Common stock issued under dividend reinvestment plan, shares	52,755	45,864	57,320