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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Additional Information on Impaired Loans - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Total: |  |  |  |
Average recorded investment | $ 15,104 | $ 16,324 | $ 14,858 | $ 16,823
Interest income recognized | 320 | 180 | 431 | 390
Commercial and Industrial [Member] |  |  |  |
Total: |  |  |  |
Average recorded investment | 1,357 | 2,117 | 1,369 | 2,140
Interest income recognized | 20 | 12 | 34 | 49
Real Estate Construction Porfolio Segment [Member] |  |  |  |
Total: |  |  |  |
Average recorded investment | 2,806 | 3,653 | 2,969 | 3,683
Interest income recognized | 80 | 40 | 100 | 81
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |  |  |
Total: |  |  |  |
Average recorded investment | 4,465 | 5,153 | 4,704 | 5,229
Interest income recognized | 38 | 45 | 76 | 102
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |
Total: |  |  |  |
Average recorded investment | 6,471 | 5,387 | 5,810 | 5,758
Interest income recognized | 182 | 83 | 221 | 158
Consumer Portfolio Segment [Member] |  |  |  |
Total: |  |  |  |
Average recorded investment | $ 6 | $ 14 | $ 6 | $ 13

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 + Details
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