Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Consolidated Balance Sheets
Securities held to maturity, fair value (in dollars)	$ 171,946	$ 148,144
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	20,000,000	20,000,000
Common stock, shares issued	6,872,369	6,456,742
Common stock, shares outstanding	6,791,277	6,364,656
Treasury Stock, shares	81,092	92,086
Net unrealized gain on securities, deferred income taxes (in dollars)	(4,085)	(2,336)
Pension liability, deferred income taxes (in dollars)	$ 1,161	$ 1,202