Consolidated Statements of Condition (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Held to maturity securities, Fair Value	$ 9,278,000	$ 7,225,000
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	5,129,186	5,136,918
Common stock, shares outstanding	5,129,186	5,136,918
Minimum [Member]
Time deposits, minimum	$ 100,000