Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Stockholders' Equity [Abstract]
Issuance of restricted stock, stock incentive plan, shares	8,196	9,363
Issuance of common stock, dividend investment plan, shares	21,765	24,439
Issuance of common stock, employee benefit plan, shares	2,420	7,114
Retirement of common stock, shares	69,104	0
Dividends declared, per share	$ 0.6	$ 0.6