Condensed Consolidated Statements of Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Condensed Consolidated Statements of Condition [Abstract]
Held to Maturity, Fair Value	$ 9,049	$ 10,161
Common Stock, par value	$ 2.50	$ 2.50
Common Stock, shares authorized	15,000,000	15,000,000
Common Stock, shares issued	13,732,085	13,732,085
Common Stock, shares outstanding	11,566,347	9,726,814
Treasury Stock, shares	2,165,738	4,005,270