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Note 15 - Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Securities available for sale, at fair value | $ 618,601 | $ 656,852
Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale, at fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale, at fair value | 618,601 | 656,852
Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale, at fair value | 0 | 0
Reported Value Measurement [Member] |  |
Cash and due from banks | 12,967 | 12,403
Interest-bearing deposits | 73,636 | 59,026
Securities available for sale, at fair value |  | 656,852
Restricted stock, at cost |  | 941
Loans, net | 847,552 | 844,519
Accrued interest receivable | 6,313 | 6,001
Bank-owned life insurance | 43,583 | 43,312
Deposits | 1,503,972 | 1,542,725
Accrued interest payable | 1,416 | 106
Estimate of Fair Value Measurement [Member] |  |
Securities available for sale, at fair value | 618,601 |
Restricted stock, at cost | 1,264 |
Mortgage loans | 406 |
Interest rate loan contract | 3 |
Forward sale commitment | 4 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and due from banks | 12,967 | 12,403
Interest-bearing deposits | 73,636 | 59,026
Securities available for sale, at fair value | 0 | 0
Restricted stock, at cost | 0 | 0
Mortgage loans | 0 |
Loans, net | 0 | 0
Accrued interest receivable | 0 | 0
Bank-owned life insurance | 0 | 0
Interest rate loan contract | 0 |
Deposits | 0 | 0
Accrued interest payable | 0 | 0
Forward sale commitment | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Cash and due from banks | 0 | 0
Interest-bearing deposits | 0 | 0
Securities available for sale, at fair value | 618,601 | 656,852
Restricted stock, at cost | 1,264 | 941
Mortgage loans | 406 |
Loans, net | 0 | 0
Accrued interest receivable | 6,313 | 6,001
Bank-owned life insurance | 43,583 | 43,312
Interest rate loan contract | 0 |
Deposits | 1,280,732 | 1,475,096
Accrued interest payable | 1,416 | 106
Forward sale commitment | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Cash and due from banks | 0 | 0
Interest-bearing deposits | 0 | 0
Securities available for sale, at fair value | 0 | 0
Restricted stock, at cost | 0 | 0
Mortgage loans | 0 |
Loans, net | 793,800 | 781,749
Accrued interest receivable | 0 | 0
Bank-owned life insurance | 0 | 0
Interest rate loan contract | 3 |
Deposits | 222,374 | 67,542
Accrued interest payable | 0 | $ 0
Forward sale commitment | $ 4 |

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of accrued interest receivable. + References No definition available. + Details
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Balance Type: | debit
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- Definition For banks and other depository institutions: Includes fair value of cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks. + References No definition available. + Details
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- Definition Represents the fair value disclosure for forward sale commitments. + References No definition available. + Details
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- Definition For banks and other depository institutions (including Federal Reserve Banks, if applicable). Fair value of interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet. + References No definition available. + Details
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- Definition Fair value portion of amount interest rate loan contracts. + References No definition available. + Details
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- Definition Fair value portion of accrued expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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- Definition Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + References No definition available. + Details
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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References No definition available. + Details
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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Publisher FASB -URI https://asc.fasb.org//310-10/tableOfContent + Details
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- Definition The aggregate value of all restricted investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)(Footnote 8)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)(Footnote 11)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)(Footnote 5)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480632/954-210-45-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480602/954-210-50-2 + Details
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