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Note 5 - Loan Restructurings - Schedule of Modified Loans With Subsequent Default (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Payment Deferral [Member]
Loans, modified, subsequent default	$ 0	$ 0	$ 124	$ 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans, modified, subsequent default	0		124
Payment Deferral [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, modified, subsequent default		0		0
Payment Deferral [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, modified, subsequent default	0	0	0	0
Extended Maturity [Member]
Loans, modified, subsequent default	0	37	0	37
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans, modified, subsequent default	0		0
Extended Maturity [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, modified, subsequent default		37		37
Extended Maturity [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, modified, subsequent default	0	0	0	0
Contractual Interest Rate Reduction [Member]
Loans, modified, subsequent default	0	29	0	29
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans, modified, subsequent default	0		0
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, modified, subsequent default		0		0
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, modified, subsequent default	0	29	0	29
Extended Maturity and Interest Rate Reduction [Member]
Loans, modified, subsequent default	0	20	19	20
Extended Maturity and Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans, modified, subsequent default	0		0
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, modified, subsequent default		0		0
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, modified, subsequent default	$ 0	$ 20	$ 19	$ 20

X

- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default 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 34
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-34

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 44
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-44

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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