Consolidated Statements Of Financial Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Financial Condition [Abstract]
Securities held-to-maturity, fair value	$ 82,036	$ 76,033
Allowance for loan losses	$ 5,763	$ 5,821
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, liquidation preference	$ 1,000	$ 1,000
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	7,000	7,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,673,638	3,668,436
Treasury stock, cost	610,513	619,129