Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical)	6 Months Ended
	Jun. 30, 2015 $ / shares shares	Jun. 30, 2014 $ / shares shares
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Common stock dividends, per share | $ / shares	$ 0.495	$ 0.44
Purchase of treasury stock, shares	221	327
Stock options exercised, shares	35,312	16,923
Restricted stock grants, shares	3,540	2,878