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Note 9 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Average Recorded Investment | $ 77,699 | $ 81,040
Interest Income Recognized | 436 | 174
Commercial Portfolio Segment [Member] |  |
Average Recorded Investment | 27,351 | 28,268
Interest Income Recognized | 0 | 12
Real Estate Construction Portfolio Segment [Member] |  |
Average Recorded Investment | 0 | 4,229
Interest Income Recognized | 0 | 97
Commercial Real Estate Portfolio Segment [Member] |  |
Average Recorded Investment | 37,909 | 40,116
Interest Income Recognized | 429 | 57
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Average Recorded Investment | 12,439 | 8,427
Interest Income Recognized | $ 7 | $ 8

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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 https://asc.fasb.org/extlink&oid=123577603&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 https://asc.fasb.org/extlink&oid=123577603&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 https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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