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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 6 Months Ended | 12 Months Ended | 6 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | Jun. 30, 2014 Commercial Real Estate Loans [Member] | Jun. 30, 2014 Multifamily Real Estate [Member] | Jun. 30, 2014 Nonaccrual Loans [Member] | Jun. 30, 2013 Nonaccrual Loans [Member] | Dec. 31, 2013 Nonaccrual Loans [Member] | Jun. 30, 2014 Special Mention [Member] | Jun. 30, 2014 Classified Loans [Member]
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonaccrual Designation As Impaired Threshold |  |  | $ 250 |  |  |  |  |  |  |  |  |
Interest and Fee Income, Loans and Leases | 7,819 | 8,192 | 15,754 | 16,511 |  |  |  | 0 | 0 | 0 |  |
Threshold Period For Considering Loans As Special Mention Or Classified |  |  | 75 days |  |  |  |  |  |  |  |  |
Increase in Percentage of Allocation Loans Rated Special Mention |  |  |  |  |  |  |  |  |  |  | 50.00% |
Increase in Percentage of Allocation Loans Rated Classified |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Financing Receivable, Reclassification to Held-for-sale |  |  | 0 |  |  |  |  |  |  |  |  |
Transfer of Loans Held-for-sale to Portfolio Loans |  |  | 0 |  |  |  |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment | 8,914 | 7,756 | 8,914 | 7,756 | 7,043 |  |  |  |  |  |  |
Financing Receivable Modifications Impairment Accrued |  |  |  |  |  | 27 |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | $ 7,971 |  | $ 7,971 |  | $ 8,227 |  | $ 248 |  |  |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 0 | 5 | 0 | 6 |  |  |  |  |  |  |  |

X
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- Definition Increase in the percentage of allocation for loans rated classified. + References No definition available. + Details
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- Definition Represents the threshold period for considering loans as special mention or classified. + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
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- Definition The amount of financing receivables reclassified to held for sale during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 9 + Details
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