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Note 5 - Loans (Details) - Troubled Debt Restructurings Modified (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans | 64 | 61 |
Specific Reserve | $ 13,284 | $ 12,183 |
Commercial Loans Member | Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans | 9 | 9 | 7
Pre-Modification Recorded Investment | 12,026 | 3,646 | 15,025
Post-Modification Recorded Investment | 10,860 | 3,646 | 15,025
Specific Reserve | 550 | 1,213 | 104
Charge-off | 1,166 |  |
Commercial Mortgage Loans [Member] | Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans | 5 | 20 | 6
Pre-Modification Recorded Investment | 13,090 | 62,118 | 17,343
Post-Modification Recorded Investment | 13,090 | 58,393 | 14,294
Specific Reserve | 329 | 27 | 1
Charge-off |  | 3,725 | 3,049
Residential Mortgage Loans [Member] | Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans | 11 | 14 | 3
Pre-Modification Recorded Investment | 3,736 | 4,305 | 1,574
Post-Modification Recorded Investment | 3,658 | 4,223 | 1,574
Specific Reserve | 103 | 162 | 114
Charge-off | 78 | 82 |
Total [Member] | Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans | 25 | 43 | 19
Pre-Modification Recorded Investment | 28,852 | 70,069 | 67,611
Post-Modification Recorded Investment | 27,608 | 66,262 | 52,415
Specific Reserve | 982 | 1,402 | 219
Charge-off | 1,244 | 3,807 | 15,196
Real Estate Construction Loans [Member] | Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
No. of Loans |  |  | 3
Pre-Modification Recorded Investment |  |  | 33,669
Post-Modification Recorded Investment |  |  | 21,522
Charge-off |  |  | 12,147
Accruing Troubled Debt Restructuring Member |  |  |
Note 5 - Loans (Details) - Troubled Debt Restructurings Modified [Line Items] |  |  |
Charge-off | $ (78) | $ (251) | $ (2,341)

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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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