Note 3 - Securities (Details Textual) |
Sep. 30, 2026
USD ($)
|
Dec. 31, 2025
USD ($)
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|---|---|---|
| Debt Securities, Available-for-Sale, Allowance for Credit Loss | $ 0 | $ 0 |
| Debt Securities, Available-for-Sale, Number of Securities | 1,070 | 899 |
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 1,041 | 716 |
| SBIC Funds [Member] | ||
| Equity Securities, FV-NI | $ 16,200,000 | $ 15,500,000 |
| Local and Regional Banks and Other Funds [Member] | ||
| Equity Securities, FV-NI | $ 488,000 | $ 370,000 |
| X | ||||||||||
- Definition Represents the number of available for sale securities. No definition available.
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| X | ||||||||||
- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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