Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Assets
Securities held-to-maturity, fair value	$ 39,297,000	$ 38,370,000	$ 42,733,000
Shareholder's Equity
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	25	25	25
Preferred stock, shares outstanding (in shares)	25	25	25
Preferred stock liquidation value	$ 100,000	$ 100,000	$ 100,000
Common stock par value (in dollars per share)	$ 2.50	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	10,000,000	10,000,000	10,000,000
Common stock, shares issued (in shares)	5,091,506	5,078,707	5,037,828
Treasury stock (in shares)	210,101	210,101	210,101