CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) (USD $) In Thousands, except Share data	9 Months Ended		12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	15,000,000	15,000,000	15,000,000
Common stock, shares outstanding	10,084,626	10,033,836	10,033,836
Accumulated other comprehensive income (loss), tax expense (benefit) (in dollars)	$ 357	$ 446	$ (639)