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Note 8 - Loans - Nonaccrual Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Loans with no related allowance, unpaid principal balance | $ 162,847 | $ 88,728
Loans with no related allowance, recorded investment | 135,151 | 66,681
Loans with related allowance, unpaid principal balance | 27,683 |
Loans with related allowance, recorded investment | 27,683 | 0
Allowance | 5,897 | 0
Unpaid principal balance | 190,530 | 88,728
Recorded investment | 162,834 | 66,681
Commercial Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 47,542 | 26,310
Loans with no related allowance, recorded investment | 35,098 | 14,404
Loans with related allowance, unpaid principal balance | 16,976 |
Loans with related allowance, recorded investment | 16,976 |
Allowance | 3,830 |
Real Estate Construction Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance |  | 7,736
Loans with no related allowance, recorded investment |  | 7,736
Commercial Real Estate Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 91,342 | 41,725
Loans with no related allowance, recorded investment | 76,870 | 32,030
Loans with related allowance, unpaid principal balance | 10,707 |
Loans with related allowance, recorded investment | 10,707 |
Allowance | 2,067 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 23,963 | 12,957
Loans with no related allowance, recorded investment | $ 23,183 | $ 12,511

X
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