CONDENSED CONSOLIDATED STATEMENTS OF CONDITION (UNAUDITED) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF CONDITION (UNAUDITED) [Abstract]
Held to maturity, fair value	$ 8,662	$ 8,861
Common Stock, par value (in dollars per share)	$ 2.5	$ 2.5
Common Stock, shares authorized (in shares)	15,000,000	15,000,000
Common Stock, shares issued (in shares)	13,732,085	13,732,085
Common Stock, shares outstanding (in shares)	11,566,347	11,566,347
Treasury Stock, shares (in shares)	2,165,738	2,165,738