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Note 7 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Commercial Portfolio Segment [Member] |  |  |  |
Loans, average recorded investment | $ 28,091 | $ 23,894 | $ 18,602 | $ 24,974
Loans, interest income recognized | 170 | 170 | 488 | 519
Real Estate Construction Portfolio Segment [Member] |  |  |  |
Loans, average recorded investment | 5,869 | 22,392 | 12,005 | 22,056
Loans, interest income recognized | 66 | 66 | 196 | 196
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, average recorded investment | 81,005 | 97,557 | 86,456 | 104,508
Loans, interest income recognized | 776 | 777 | 2,124 | 2,126
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |  |  |
Loans, average recorded investment | 18,256 | 16,506 | 17,456 | 16,934
Loans, interest income recognized | 148 | 139 | 401 | 380
Loans, average recorded investment | 133,221 | 160,349 | 134,519 | 168,472
Loans, interest income recognized | $ 1,160 | $ 1,152 | $ 3,209 | $ 3,221

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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=66008989&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=66008989&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=66008989&loc=d3e5212-111524 + Details
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