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Note 7 - Loans (Details) - Troubled Debt Restructuring (USD $) In Thousands, unless otherwise specified |  |  | 9 Months Ended
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Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 Commercial Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2013 Commercial Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2014 Commercial Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2013 Commercial Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2014 Residential Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2013 Residential Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2014 Accruing Troubled Debt Restructuring [Member] | Sep. 30, 2013 Accruing Troubled Debt Restructuring [Member]
Note 7 - Loans (Details) - Troubled Debt Restructuring [Line Items] |  |  |  |  |  |  |  |  |  |
No. of Loans |  |  | 6 | 9 | 3 | 3 | 5 | 11 | 14 | 23
Pre-Modification Recorded Investment |  |  | $ 10,773 | $ 11,705 | $ 11,818 | $ 7,474 | $ 2,226 | $ 3,736 | $ 24,817 | $ 22,915
Post-Modification Recorded Investment |  |  | 10,773 | 10,516 | 11,818 | 7,474 | 2,226 | 3,658 | 24,817 | 21,648
Charge-offs |  |  |  | 1,189 |  |  |  | 78 |  | 1,267
Specific Reserve | $ 13,814 | $ 13,284 | $ 26 | $ 71 | $ 564 | $ 191 | $ 16 | $ 125 | $ 606 | $ 387

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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 Reflects the amount of the write-down related to a troubled debt restructuring. + 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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