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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Troubled Debt Restructurings by Class (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts | 0 | 2 | 2 | 6
Pre-modification outstanding principal balance |  | $ 273 | $ 2,668 | $ 4,401
Post-modification outstanding principal balance |  | 354 | 2,693 | 4,576
Multifamily Real Estate [Member] | Commercial Real Estate Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  |  | 1 |
Pre-modification outstanding principal balance |  |  | 2,484 |
Post-modification outstanding principal balance |  |  | 2,484 |
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  |  | 1 | 1
Pre-modification outstanding principal balance |  |  | 184 | 154
Post-modification outstanding principal balance |  |  | 209 | 239
Residential Closed End First Liens [Member] | Consumer Real Estate Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  | 1 |  | 2
Pre-modification outstanding principal balance |  | 241 |  | 453
Post-modification outstanding principal balance |  | 309 |  | 525
Commercial and Industrial [Member] | Commercial Non Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  | 1 |  | 1
Pre-modification outstanding principal balance |  | 32 |  | 32
Post-modification outstanding principal balance |  | 45 |  | 45
Residential Closed End Junior Liens [Member] | Consumer Real Estate Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  |  |  | 1
Pre-modification outstanding principal balance |  |  |  | 262
Post-modification outstanding principal balance |  |  |  | 267
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of contracts |  |  |  | 1
Pre-modification outstanding principal balance |  |  |  | 3,500
Post-modification outstanding principal balance |  |  |  | $ 3,500

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- Definition Number of 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 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
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- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
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