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Note 8 - Loans and Related Allowance for Loan and Lease Losses - Additional Information on Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Average recorded investment | $ 16,896 | $ 15,650 | $ 15,620 | $ 15,125
Interest income recognized | 268 | 123 | 373 | 244
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] |  |  |  |
Average recorded investment | 3,459 | 3,819 | 3,464 | 4,014
Interest income recognized | 32 | 35 | 65 | 72
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] |  |  |  |
Average recorded investment | 10,864 | 6,419 | 9,604 | 5,989
Interest income recognized | 209 | 50 | 258 | 100
Residential Portfolio Segment [Member] |  |  |  |
Average recorded investment | 1,206 | 1,716 | 1,230 | 1,761
Interest income recognized | 14 | 15 | 25 | 27
Commercial And Industrial [Member] |  |  |  |
Average recorded investment | 1,019 | 1,970 | 973 | 2,170
Interest income recognized | 11 | 23 | 21 | 45
Home Equity Lines of Credit [Member] |  |  |  |
Average recorded investment | 347 | 104 | 348 | 109
Interest income recognized | 2 | 0 | 4 | 0
Consumer Portfolio Segment [Member] |  |  |  |
Average recorded investment | 1 | 2 | 1 | 2
Interest income recognized | $ 0 | 0 | $ 0 | 0
Construction and Other [Member] |  |  |  |
Average recorded investment |  | 1,620 |  | 1,080
Interest income recognized |  | $ 0 |  | $ 0

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=121611835&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
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