Note 5 - Land, Premises and Equipment, Net (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Depreciation | $ 1.4 | $ 1.1 | $ 2.7 | $ 2.2 |
| Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Purchase Agreement to Sell Branch in West Fargo, North Dakota [Member] | ||||
| Disposal Group, Including Discontinued Operation, Consideration | 3.8 | 3.8 | ||
| Disposal Group, Including Discontinued Operation, Assets | $ 0.4 | $ 0.4 | ||
| X | ||||||||||
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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