Note 5 - Other Borrowings (Details Textual) - USD ($) $ in Thousands |
1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Payments of FHLBank Borrowings, Financing Activities | $ 5,000 | $ (0) | ||
| Advance from Federal Home Loan Bank | 0 | $ 5,000 | ||
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | 104,400 | 103,800 | ||
| BMO Harris Bank [Member] | ||||
| Line of Credit Facility, Maximum Borrowing Capacity | 10,000 | 10,000 | ||
| Federal Funds Purchased | 0 | 0 | ||
| Federal Home Loan Bank of Chicago [Member] | ||||
| Proceeds from FHLBank Borrowings, Financing Activities | 0 | $ 0 | ||
| Payments of FHLBank Borrowings, Financing Activities | $ 5,000 | |||
| Advance from Federal Home Loan Bank | $ 0 | $ 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 Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of the collateral pledged in support of federal home loan bank advances outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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