Note 5 - Other Borrowings - Outstanding Advances (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Other borrowings | $ 0 | $ 0 | $ 5,000 | ||
| Federal Home Loan Bank of Chicago [Member] | |||||
| Average balance outstanding | 0 | $ 5,000 | $ 3,114 | $ 5,000 | |
| Average interest rate during the period | 4.90% | 4.80% | 4.90% | ||
| Other borrowings | 0 | $ 0 | $ 5,000 | ||
| Weighted average interest rate at end of period | 4.80% | ||||
| Additional borrowing capacity | 78,528 | 78,528 | $ 73,094 | ||
| Total borrowing capacity | 78,528 | 78,528 | $ 78,094 | ||
| Federal Home Loan Bank of Chicago [Member] | Maximum [Member] | |||||
| Average balance outstanding | $ 0 | $ 5,000 | $ 5,000 | $ 5,000 | |
| 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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