Condensed Consolidated Statements Of Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Condensed Consolidated Statements Of Condition [Abstract]
Held to maturity, fair value	$ 9,988	$ 10,161
Common Stock, par value	$ 2.5	$ 2.5
Common Stock, shares authorized	15,000,000	15,000,000
Common Stock, shares outstanding	9,726,814	9,712,070
Treasury Stock, shares	4,005,270	4,005,270