Consolidated Statements Of Financial Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Securities held to maturity, fair value	$ 18,260	$ 18,478
Loans, allowance for loan losses	$ 25,827	$ 24,714
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	14,161,597
Treasury stock, shares	357,639	373,888
Series A 3% Preferred Stock [Member]
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	1,533	1,533
Preferred stock, shares issued	1,499	1,499
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	172,695	173,210