Note 15 - Income Taxes - Qualified Affordable Housing Projects (Details) (Parentheticals) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Income Tax Expense (Benefit) | Income Tax Expense (Benefit) | Income Tax Expense (Benefit) |
| Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] | Deferred Income Tax Expense (Benefit) | Deferred Income Tax Expense (Benefit) | Deferred Income Tax Expense (Benefit) |