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Note 4 - Loans - Nonaccrual Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans with no related allowance, unpaid principal balance | $ 175,678 | $ 88,728
Loans with no related allowance, recorded investment | 155,266 | 66,681
Loans with related allowance, unpaid principal balance | 26,749 | 0
Loans with related allowance, recorded investment | 13,895 | 0
Allowance | 1,238 | 0
Unpaid principal balance | 202,427 | 88,728
Non-accrual loans | 169,161 | 66,681
Commercial Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 56,022 | 26,310
Loans with no related allowance, recorded investment | 53,499 | 14,404
Loans with related allowance, unpaid principal balance | 18,769 | 0
Loans with related allowance, recorded investment | 6,267 | 0
Allowance | 1,208 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 100,316 | 41,725
Loans with no related allowance, recorded investment | 82,936 | 32,030
Loans with related allowance, unpaid principal balance | 194 | 0
Loans with related allowance, recorded investment | 193 | 0
Allowance | 1 | 0
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
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 19,340 | 12,957
Loans with no related allowance, recorded investment | 18,831 | 12,511
Loans with related allowance, unpaid principal balance | 7,786 | 0
Loans with related allowance, recorded investment | 7,435 | 0
Allowance | $ 29 | $ 0

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