Consolidated Statements of Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Securities available for sale, amortized cost	$ 361,199	$ 315,890
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	30,000	30,000
Preferred stock, shares outstanding	30,000	30,000
Common stock, par value	$ 5	$ 5
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	9,162,721	9,154,936
Common stock, shares outstanding	9,162,721	9,154,936