Note 1 - Summary of Significant Accounting Policies - Premises and Equipment (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2021 | |
| Land Improvements [Member] | Minimum [Member] | |
| Property, plant and equipment, useful life (Year) | 3 years |
| Land Improvements [Member] | Maximum [Member] | |
| Property, plant and equipment, useful life (Year) | 10 years |
| Building and Building Improvements [Member] | Minimum [Member] | |
| Property, plant and equipment, useful life (Year) | 10 years |
| Building and Building Improvements [Member] | Maximum [Member] | |
| Property, plant and equipment, useful life (Year) | 40 years |
| Furniture and Fixtures [Member] | Minimum [Member] | |
| Property, plant and equipment, useful life (Year) | 3 years |
| Furniture and Fixtures [Member] | Maximum [Member] | |
| Property, plant and equipment, useful life (Year) | 10 years |
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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