Consolidated Statements of Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
Consolidated Statements of Condition
Securities held to maturity, fair value	$ 10,641	$ 10,680	$ 10,570
Loans, net allowance for loan losses	$ 14,538	$ 15,482	$ 14,335
Common Stock, Par Value	$ 2.5	$ 2.5	$ 2.5
Common Stock, Shares Authorized	20,000,000	20,000,000	20,000,000
Common Stock, Shares, Issued	6,012,015	6,008,409	5,996,611
Common Stock, Shares, Outstanding	5,949,415	5,945,809	5,934,011
Treasury Stock, Shares	62,600	62,600	62,600