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Note 7 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Average Recorded Investment | $ 137,595 | $ 132,946 | $ 127,958 | $ 135,176
Interest Income Recognized | 994 | 1,020 | 1,976 | 2,168
Commercial Portfolio Segment [Member] |  |  |  |
Average Recorded Investment | 19,376 | 14,940 | 21,345 | 13,805
Interest Income Recognized | 86 | 167 | 171 | 370
Real Estate Construction Portfolio Segment [Member] |  |  |  |
Average Recorded Investment | 42,752 | 9,923 | 29,912 | 15,107
Interest Income Recognized | 356 |  | 696 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Average Recorded Investment | 60,295 | 90,971 | 60,847 | 89,212
Interest Income Recognized | 445 | 713 | 898 | 1,513
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |  |  |
Average Recorded Investment | 15,172 | 17,112 | 15,854 | 17,052
Interest Income Recognized | $ 107 | $ 140 | $ 211 | $ 285

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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=84173941&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=84173941&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=84173941&loc=d3e5212-111524 + Details
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