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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Purchased Financial Assets with Credit Deterioration [Table Text Block] |
Par value of Acquired PCD Loans |  | $ | 34,115 |
Less Credit Mark (ACL) |  |  | (315 | )
Less: Interest Mark (Non-Credit Discount) |  |  | (3,609 | )
Fair Value (Purchase Price) |  | $ | 30,191 |
Other Real Estate, Roll Forward [Table Text Block] |
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Beginning balance |  | $ | 91,000 |  |  | $ | 357,000 |
Additions |  |  | 185,000 |  |  |  | 141,000 |
Dispositions |  |  | (23,000 | ) |  |  | (357,000 | )
Provision for change in OREO valuation |  |  | (27,000 | ) |  |  | (50,000 | )
Ending balance |  | $ | 226,000 |  |  | $ | 91,000 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | 2025 |  |  | 2024 |
|  | Gross Carrying |  |  | Accumulated |  |  | Gross Carrying |  |  | Accumulated |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amortization |
Core deposit intangibles |  | $ | 13,873,000 |  |  | $ | 2,772,000 |  |  | $ | 2,263,000 |  |  | $ | 1,472,000 |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2025 |  |  | 2024 |
Expected life of stock options (in years) |  |  | 7.5 |  |  |  | 6.2 |
Risk free interest rate |  |  | 4.50 | % |  |  | 3.98 | %
Annualized Volatility |  |  | 34.8 | % |  |  | 32.3 | %
Dividend yields |  |  | 2.70 | % |  |  | 3.17 | %
Weighted-average fair value of options granted during the year |  | $ | 17.90 |  |  | $ | 9.25 |

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