Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	$ 13,263	$ 20,240	$ 18,855
Multi-Family Residential [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	3,044	5,872	6,654
Commercial Real Estate Loans [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	727	2,439	4,988
One-To-Four Family - Mixed-Use Property [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	3,940	3,928	2,521
One-To-Four Family - Residential [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	429	1,554	2,163
Co-Operative Apartments [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	104	62
Construction [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	2,678	4,591	1,088
Small Business Administration [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	370	237	811
Commercial Business And Other [Member]
Note 3 - Loans (Details) - Net Loan Charge-Offs (Recoveries) by Loan Type [Line Items]
Net loan charge-offs	$ 1,971	$ 1,557	$ 630