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Note 5 - Loan Restructurings - Schedule of Performance of Loans Modified (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Loans, modified | $ 1,380 | $ 0 | $ 12,882 | $ 49
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 1,103 |  | 1,103 |
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 11,128 |
Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | 277 | 0 | 366 | 49
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | 103 |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | 182 |
Financial Asset, Not Past Due [Member] |  |  |  |
Loans, modified | 1,380 | 0 | 12,779 | 0
Financial Asset, Not Past Due [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | 0 | 11,345 | 0
Financial Asset, Not Past Due [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 1,380 | 0 | 1,434 | 0
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 1,103 |  | 1,103 |
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 11,154 |
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | 0 | 88 | 0
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 277 |  | 277 | 0
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 103 |
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 54 |
Financial Asset, 30 to 89 Days Past Due [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 20
Financial Asset, 30 to 89 Days Past Due [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 20
Financial Asset, 30 to 89 Days Past Due [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 0
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 20
Financial Asset, 30 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 0 |  | 0 | 0
Financial Asset, 30 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, 30 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 29
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 29
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Accruing [Member] |  |  |  |
Loans, modified | 0 | $ 0 | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified | $ 0 |  | 0 | $ 29
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Accruing [Member] |  |  |  |
Loans, modified |  |  | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Nonaccrual [Member] |  |  |  |
Loans, modified |  |  | $ 0 |

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- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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