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Note 7 - Loans (Details) - Troubled Debt Restructurings Modified (USD $) In Thousands, unless otherwise specified |  |  | 3 Months Ended
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Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2014 Commercial Loans [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2013 Commercial Loans [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2014 Residential Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2013 Residential Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2014 Total [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2013 Total [Member] Accruing Troubled Debt Restructuring [Member] | Mar. 31, 2013 Commercial Mortgage Loans [Member] Accruing Troubled Debt Restructuring [Member]
Note 7 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |  |  |  |  |  |  |
No. of Loans |  |  | 2 | 4 | 2 | 6 | 4 | 12 | 2
Pre-Modification Recorded Investment |  |  | $ 8,243 | $ 4,007 | $ 671 | $ 1,696 | $ 8,914 | $ 6,878 | $ 1,175
Post-Modification Recorded Investment |  |  | 8,243 | 4,007 | 671 | 1,696 | 8,914 | 6,878 | 1,175
Charge-offs |  |  |  | 0 |  | 0 |  |  |
Specific Reserve | $ 14,495 | $ 13,284 | $ 1,035 | $ 61 | $ 36 | $ 265 | $ 1,071 | $ 336 | $ 10

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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=28368275&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=28368275&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=28368275&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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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
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