Note 6 - Borrowings - Advances from FHLB (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Line of Credit [Member] | ||
| Balance outstanding | $ 13,500 | $ 13,500 |
| Annualized | 7.29% | 8.07% |
| Period End | 7.50% | 7.25% |
| Subordinated Debt [Member] | ||
| Balance outstanding | $ 34,694 | $ 34,643 |
| Annualized | 6.09% | 3.99% |
| Period End | 6.09% | 4.10% |
| Federal Home Loan Bank, Long-term Advances [Member] | ||
| Balance outstanding | $ 95,000 | $ 160,000 |
| Annualized | 3.98% | 3.86% |
| Period End | 3.86% | 4.03% |
| Within one year or less | $ 60,000 | |
| Within one year or less, weighted average interest rate | 3.95% | |
| After one year through two years | $ 35,000 | |
| After one year through two years, weighted average interest rate | 3.72% | |
| Total FHLB long-term advances | $ 95,000 | |
| Total FHLB long-term advances, weighted-average interest rate | 3.86% | |
| Federal Home Loan Bank, Overnight Variable-rate Advances [Member] | ||
| Balance outstanding | $ 168,500 | $ 100,000 |
| Annualized | 3.68% | 4.18% |
| Period End | 4.08% | 4.00% |
| X | ||||||||||
- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date. No definition available.
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date. No definition available.
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date. No definition available.
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| X | ||||||||||
- Definition Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average interest rate of long-term debt outstanding calculated over time. No definition available.
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- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. No definition available.
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