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Note 4 - Loans and Allowance for Loan Losses (Details) - TDR Loan Modifications (USD $) | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | $ 11,178,000 | $ 16,954,000
Interest Only Payments [Member] | Performing to Modified Terms [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 249,000 |
Interest Only Payments [Member] | Performing to Modified Terms [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 8,825,000 | 9,856,000
Interest Only Payments [Member] | Not Performing to Modified Terms [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 180,000
Interest Only Payments [Member] | Not Performing to Modified Terms [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 580,000 |
Interest Only Payments [Member] | Not Performing to Modified Terms [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 300,000
Interest Only Payments [Member] | Not Performing to Modified Terms [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 675,000
Interest Only Payments [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 249,000 | 180,000
Interest Only Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 580,000 |
Interest Only Payments [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 8,825,000 | 10,156,000
Interest Only Payments [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 675,000
Rate Reduction [Member] | Performing to Modified Terms [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 420,000
Rate Reduction [Member] | Performing to Modified Terms [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 440,000
Rate Reduction [Member] | Not Performing to Modified Terms [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 426,000 |
Rate Reduction [Member] | Not Performing to Modified Terms [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 262,000 |
Rate Reduction [Member] | Residential Real Estate Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 426,000 | 420,000
Rate Reduction [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 262,000 | 440,000
Maturity Extension at Lower Stated Rate Than Market Rate [Member] | Performing to Modified Terms [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 176,000 | 191,000
Maturity Extension at Lower Stated Rate Than Market Rate [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 176,000 | 191,000
Commercial Real Estate Nonowner Occupied [Member] | Performing to Modified Terms [Member] | Reduction of Principal and Interest Payments [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 660,000 |
Commercial Real Estate Nonowner Occupied [Member] | Reduction of Principal and Interest Payments [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 660,000 |
Reduction of Principal and Interest Payments [Member] | Performing to Modified Terms [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 4,222,000
Reduction of Principal and Interest Payments [Member] | Performing to Modified Terms [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 670,000
Reduction of Principal and Interest Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 4,222,000
Reduction of Principal and Interest Payments [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings |  | 670,000
Performing to Modified Terms [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | 9,910,000 | 15,799,000
Not Performing to Modified Terms [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled Debt Restructurings | $ 1,268,000 | $ 1,155,000

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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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