Note 2 - Securities (Details Textual) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss	$ 829
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss	$ 487
Weighted Average Re-pricing Term (Year)	5 years 7 months 6 days	5 years 8 months 12 days
Other Assets [Member]
Equity Securities without Readily Determinable Fair Value, Amount	$ 2,400	$ 2,400
US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	3
Available-for-Sale Securities, Number of Securities	3
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	97
Available-for-Sale Securities, Number of Securities	117
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	94
Available-for-Sale Securities, Number of Securities	104

The number of investment positions in available-for-sale investments.

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- Definition

The weighted average period of time between re-pricing of the portfolio.

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of accrued interest on 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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

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-Topic 321
-SubTopic 10
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