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Note 13 - Commitments and Contingencies - Schedule of Financial Commitments Represents Credit Risk (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Financial commitments, contractual amount, fixed rate | $ 12,959 | $ 17,602
Financial commitments, contractual amount, variable rate | 177,791 | 327,922
Standby Letters of Credit [Member] |  |
Financial commitments, contractual amount, fixed rate | 1,626 | 1,577
Financial commitments, contractual amount, variable rate | 1,061 | 1,061
Commitments to Make Loans [Member] |  |
Financial commitments, contractual amount, fixed rate | 614 | 1,141
Financial commitments, contractual amount, variable rate | 77,230 | 128,680
Unused lines of Credit [Member] |  |
Financial commitments, contractual amount, fixed rate | 10,629 | 13,730
Financial commitments, contractual amount, variable rate | 95,686 | 197,314
Commercial And Similar Letters Of Credit [Member] |  |
Financial commitments, contractual amount, fixed rate | 90 | 1,154
Financial commitments, contractual amount, variable rate | $ 3,814 | $ 867

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- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480981/942-825-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480981/942-825-50-1 + Details
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- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at interest rates that increase or decrease depending on certain facts or circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480981/942-825-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480981/942-825-50-1 + Details
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