Note 2 - Summary of Significant Accounting Policies - Intangible Assets (Details) - Core Deposits [Member] - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Gross carrying amount | $ 13,873,000 | $ 2,263,000 |
| Accumulated amortization | $ 2,772,000 | $ 1,472,000 |
| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
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