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Note 4 - Loans and Allowance for Loan Losses (Details) - Loans Modified as Troubled Debt Restructurings (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Commercial: |  |  |  |
Loans modified, number of contracts | 1 |  | 3 |
Loans modified, pre-modification recorded principal balance | $ 996,000 |  | $ 1,156,000 |
Loans modified, post-modification recorded principal balance | 996,000 |  | 1,156,000 |
Commercial and Industrial [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 1 | 1 | 1
Loans modified, pre-modification recorded principal balance | 0 | 60,000 | 14,000 | 60,000
Loans modified, post-modification recorded principal balance | 0 | 60,000 | 14,000 | 60,000
Commercial and Industrial [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial and Industrial [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 1 |
Loans modified, pre-modification recorded principal balance | 0 |  | 14,000 |
Loans modified, post-modification recorded principal balance | 0 |  | 14,000 |
Commercial Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 2 | 0 | 2
Loans modified, pre-modification recorded principal balance | 0 | 3,247,000 | 0 | 3,247,000
Loans modified, post-modification recorded principal balance | 0 | 3,247,000 | 0 | 3,247,000
Commercial Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Real Estate Owner Occupied Loan [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 1 | 2 | 1 | 3
Loans modified, pre-modification recorded principal balance | 996,000 | 680,000 | 996,000 | 904,000
Loans modified, post-modification recorded principal balance | 996,000 | 680,000 | 996,000 | 904,000
Commercial Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Real Estate Owner Occupied Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 1 |  | 1 |
Loans modified, pre-modification recorded principal balance | 996,000 |  | 996,000 |
Loans modified, post-modification recorded principal balance | 996,000 |  | 996,000 |
Commercial Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 0 | 1 | 2
Loans modified, pre-modification recorded principal balance | 0 | 0 | 146,000 | 2,068,000
Loans modified, post-modification recorded principal balance | 0 | 0 | 146,000 | 2,068,000
Commercial Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 1 |
Loans modified, pre-modification recorded principal balance | 0 |  | 146,000 |
Loans modified, post-modification recorded principal balance | 0 |  | 146,000 |
Commercial Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 0 | 0 | 0
Loans modified, pre-modification recorded principal balance | 0 | 0 | 0 | 0
Loans modified, post-modification recorded principal balance | 0 | 0 | 0 | 0
Commercial Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Real Estate Multi Family and Residential Rental Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 1 | 5 | 3 | 8
Loans modified, pre-modification recorded principal balance | 996,000 | 3,987,000 | 1,156,000 | 6,279,000
Loans modified, post-modification recorded principal balance | 996,000 | 3,987,000 | 1,156,000 | 6,279,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Commercial Portfolio Segment [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 1 |  | 3 |
Loans modified, pre-modification recorded principal balance | 996,000 |  | 1,156,000 |
Loans modified, post-modification recorded principal balance | 996,000 |  | 1,156,000 |
Retail Home Equity and Other [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 0 | 0 | 0
Loans modified, pre-modification recorded principal balance | 0 | 0 | 0 | 0
Loans modified, post-modification recorded principal balance | 0 | 0 | 0 | 0
Retail Home Equity and Other [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Retail Home Equity and Other [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Retail 1-4 Family Mortgages [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 1 | 0 | 1
Loans modified, pre-modification recorded principal balance | 0 | 1,879,000 | 0 | 1,879,000
Loans modified, post-modification recorded principal balance | 0 | 1,879,000 | 0 | 1,879,000
Retail 1-4 Family Mortgages [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Retail 1-4 Family Mortgages [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Retail Loan [Member] | Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 | 1 | 0 | 1
Loans modified, pre-modification recorded principal balance | 0 | 1,879,000 | 0 | 1,879,000
Loans modified, post-modification recorded principal balance | 0 | 1,879,000 | 0 | 1,879,000
Retail Loan [Member] | Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Retail Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | 0 |  | 0 |
Originated Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 1 | 6 | 3 | 9
Loans modified, pre-modification recorded principal balance | 996,000 | 5,866,000 | 1,156,000 | 8,158,000
Loans modified, post-modification recorded principal balance | 996,000 | 5,866,000 | 1,156,000 | 8,158,000
Acquired Loan [Member] |  |  |  |
Commercial: |  |  |  |
Loans modified, number of contracts | 0 |  | 0 |
Loans modified, pre-modification recorded principal balance | 0 |  | 0 |
Loans modified, post-modification recorded principal balance | $ 0 |  | $ 0 |

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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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