Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Issuance of restricted stock, stock incentive plan, shares	10,000	9,109
Issuance of common stock, dividend investment plan, shares	3,685	5,681
Repurchase and retirement of common stock, shares	1,500	5,000
Dividends declared, per share	$ 0.24	$ 0.23