Consolidated Statements Of Financial Condition (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Securities held to maturity, fair value	$ 23,821	$ 28,849
Loans, allowance for loan losses	$ 22,977	$ 20,466
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	14,161,597	11,348,122
Treasury stock, shares	355,767	410,616
Series A 3% Preferred Stock [Member]
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	1,533	1,533
Preferred stock, shares issued	1,533	1,533
Series A Preferred Stock [Member]
Preferred stock, liquidation preference, per share		$ 5,000
Preferred stock, shares authorized		7,503
Preferred stock, shares issued		7,503
Series B-1 8.48% Preferred Stock [Member]
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	173,253	174,223