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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Number of Reporting Units | 1 |
Number of Operating Segments | 1 |
Cash Accounts [Member] |  |
Cash, Uninsured Amount | $ 6.8 |
Cash Held by FRB and FHLB [Member] |  |
Cash, Uninsured Amount | 46.2 |
Asset Pledged as Collateral [Member] |  |
Financial Instruments, Owned, at Fair Value | 326.5 | $ 324.1
Asset Pledged as Collateral [Member] | Derivative [Member] |  |
Financial Instruments, Owned, at Fair Value | $ 5.1 |
Maximum [Member] | Premises and Equipment [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 39 years |
Maximum [Member] | Furniture and Equipment [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 10 years |
Minimum [Member] | Premises and Equipment [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 15 years |
Minimum [Member] | Furniture and Equipment [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 2 years |
Residential Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 30 years |
Home Equity Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 20 years |
Financing Receivable, Limit on Credit Extension by Property Equity, Percentage | 90.00% |
Commercial Real Estate Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 10 years |
Financing Receivable, Loan-to-Value Ratio Limited by Cost of Appraised Value, Percentage | 80.00% |
Financing Receivable, Contingency, Cash Flows Required in Excess of Debt Service Obligations, Percentage | 120.00% |
Construction and Land Development Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 24 months |
Financing Receivable, Limit on Credit Extension by Property Equity, Percentage | 80.00% |
Construction and Land Development Portfolio Segment [Member] | Minimum [Member] |  |
Financing Receivable, Loan Term (Year) | 9 months |
Consumer Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 7 years |
Manufactured Homes Portfolio Segment [Member] | Maximum [Member] |  |
Financing Receivable, Loan Term (Year) | 25 years |

X
- Definition The percentage of borrowers cash flows required in excess of debt service obligations to initiate financing receivables. + References No definition available. + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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