Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Securities held to maturity, fair value	$ 671	$ 882
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	6,651,760	6,651,760
Common stock, shares outstanding	5,904,041	5,859,263
Treasury stock, shares	747,719	792,497
Preferred Class A Non-voting [Member]
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares outstanding	0	0
Preferred Class B Voting [Member]
Preferred stock, shares authorized	1,500,000	1,500,000
Preferred stock, shares outstanding	0	0