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Note 8 - Loans (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Nonaccrual | $ 162,834,000 |  | $ 162,834,000 |  | $ 66,681,000
Percentage Of Charge Off To Contractual Balances For Impaired Loans | 10.00% |  | 10.00% |  | 15.80%
Financing Receivable, Nonaccrual, With Allowance | $ 27,683,000 |  | $ 27,683,000 |  | $ 0
Financing Receivable, Modified, Subsequent Default | 0 |  | 0 |  |
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend | 0 |  | 0 |  |
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance | 5,190,000 |  | 5,190,000 |  | $ 0
Financing Receivable, Reclassification to Held-for-Sale |  | $ 0 |  | $ 0 |
Gain (Loss) on Sale of Loans, Net |  |  | 58,100 |  |
Loans, Fair Value Adjustment | 0 |  | 0 |  |
Loans, Adjustments to Record Loans at the Lower-of-cost | 0 |  | 0 |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Nonaccrual, With Allowance | 16,976,000 |  | 16,976,000 |  |
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance | 5,200,000 |  | 5,200,000 |  |
Financing Receivable, Reclassification to Held-for-Sale | 5,200,000 |  | 112,100,000 |  |
Financing Receivable, Sale |  |  | 107,000,000 |  |
Real Estate Construction Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Reclassification to Held-for-Sale |  |  | 23,000,000 |  |
Financing Receivable, Sale and Reclassification to Held-for-Sale | $ 23,000,000 |  |  |  |
Financing Receivable, Sale |  |  | $ 23,000,000 |  |
Minimum [Member] |  |  |  |  |
Period Loan Is In Payment Default (Day) |  |  | 60 days |  |
Maximum [Member] |  |  |  |  |
Period Loan Is In Payment Default (Day) |  |  | 90 days |  |

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