Note 3 - Loans (Detail) - Loans designated as Criticized or Classified: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Loans designated as criticized or classified	$ 128,600	$ 190,300
Special Mention [Member] | Multi-Family Residential [Member]
Loans designated as criticized or classified	16,345	17,135
Special Mention [Member] | Commercial Real Estate Loans [Member]
Loans designated as criticized or classified	11,097	12,264
Special Mention [Member] | One-To-Four Family - Mixed-Use Property [Member]
Loans designated as criticized or classified	13,104	17,393
Special Mention [Member] | One-To-Four Family - Residential [Member]
Loans designated as criticized or classified	5,223	3,127
Special Mention [Member] | Co-Operative Apartments [Member]
Loans designated as criticized or classified	103	203
Special Mention [Member] | Construction [Member]
Loans designated as criticized or classified	3,805	2,570
Special Mention [Member] | Small Business Administration [Member]
Loans designated as criticized or classified	323	666
Special Mention [Member] | Commercial Business And Other [Member]
Loans designated as criticized or classified	3,044	13,585
Special Mention [Member] | Total Loans Designated As Criticized Or Classified [Member]
Loans designated as criticized or classified	53,044	66,943
Substandard [Member] | Multi-Family Residential [Member]
Loans designated as criticized or classified	22,769	41,393
Substandard [Member] | Commercial Real Estate Loans [Member]
Loans designated as criticized or classified	27,877	41,247
Substandard [Member] | One-To-Four Family - Mixed-Use Property [Member]
Loans designated as criticized or classified	26,506	33,831
Substandard [Member] | One-To-Four Family - Residential [Member]
Loans designated as criticized or classified	15,328	14,343
Substandard [Member] | Co-Operative Apartments [Member]
Loans designated as criticized or classified	237	153
Substandard [Member] | Construction [Member]
Loans designated as criticized or classified	10,598	28,555
Substandard [Member] | Small Business Administration [Member]
Loans designated as criticized or classified	212	256
Substandard [Member] | Commercial Business And Other [Member]
Loans designated as criticized or classified	18,419	17,613
Substandard [Member] | Total Loans Designated As Criticized Or Classified [Member]
Loans designated as criticized or classified	121,946	177,391
Doubtful [Member] | Small Business Administration [Member]
Loans designated as criticized or classified	244	214
Doubtful [Member] | Commercial Business And Other [Member]
Loans designated as criticized or classified	1,080	1,169
Doubtful [Member] | Total Loans Designated As Criticized Or Classified [Member]
Loans designated as criticized or classified	1,324	1,383
Multi-Family Residential [Member]
Loans designated as criticized or classified	39,114	58,528
Commercial Real Estate Loans [Member]
Loans designated as criticized or classified	38,974	53,511
One-To-Four Family - Mixed-Use Property [Member]
Loans designated as criticized or classified	39,610	51,224
One-To-Four Family - Residential [Member]
Loans designated as criticized or classified	20,551	17,470
Co-Operative Apartments [Member]
Loans designated as criticized or classified	340	356
Construction [Member]
Loans designated as criticized or classified	14,403	31,125
Small Business Administration [Member]
Loans designated as criticized or classified	779	1,136
Commercial Business And Other [Member]
Loans designated as criticized or classified	22,543	32,367
Total Loans Designated As Criticized Or Classified [Member]
Loans designated as criticized or classified	$ 176,314	$ 245,717