Note 3 - Loans and Allowance for Loan Losses - Composition of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Loans	$ 4,819,134	$ 4,372,611
Net unamortized premiums and unearned loan fees	16,559	15,368
Loans, net of fees and costs	4,835,693	4,387,979
Multi-Family Residential [Member]
Loans	2,178,504	2,055,228
Commercial Real Estate Loans [Member]
Loans	1,246,132	1,001,236
One-To-Four Family - Mixed Used Property [Member]
Loans	558,502	573,043
One-To-Four Family - Residential [Member]
Loans	185,767	187,838
Co-Operative Apartments [Member]
Loans	7,418	8,285
Construction [Member]
Loans	11,495	7,284
Small Business Administration [Member]
Loans	15,198	12,194
Taxi Medallion [Member]
Loans	18,996	20,881
Commercial Business and Other [Member]
Loans	$ 597,122	$ 506,622

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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-Section S99
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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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