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Note 8 - Loans - Average Balance and Interest Income Recognized Related to Non-accrual Loans (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Average Recorded Investment | $ 168,441 | $ 101,236
Interest Income Recognized | 4 | 51
Commercial Portfolio Segment [Member] |  |
Average Recorded Investment | 56,112 | 15,097
Interest Income Recognized | 4 | 3
Commercial Real Estate Portfolio Segment [Member] |  |
Average Recorded Investment | 83,678 | 43,871
Interest Income Recognized | 0 | 48
Real Estate Construction Portfolio Segment [Member] |  |
Average Recorded Investment |  | 28,099
Interest Income Recognized |  | 0
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Average Recorded Investment | 28,651 | 14,169
Interest Income Recognized | $ 0 | $ 0

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- Definition Amount of average recorded investments of financing receivable on nonaccrual status. Excludes net investment in lease. + References No definition available. + Details
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- Definition Amount of interest income on financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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