CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Investment securities:
Held to maturity, fair value	$ 12,234	$ 8,861
STOCKHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	15,000,000	15,000,000
Common stock, shares, issued (in shares)	13,738,752	13,732,085
Common stock, shares outstanding (in shares)	11,573,014	11,566,347
Treasury stock, shares (in shares)	2,165,738	2,165,738