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Note 3 - Loans - Acquired Receivables Associated With Business Combination (Details) - USD ($) $ in Thousands		6 Months Ended
	Oct. 01, 2024	Jun. 30, 2025
Non-credit discount at acquisition		$ 13,500
Touchstone Bankshares, Inc [Member]
Book value of acquired loans at acquisition	$ 13,050
Initial ACL at acquisition	386
Non-credit discount at acquisition	1,413
Purchase Price	14,849
Touchstone Bankshares, Inc [Member] | Financial Asset Acquired and No Credit Deterioration [Member]
Fair Value	467,891
Gross contractual amounts receivable	479,591
Estimate of contractual cash flows not expected to be collected	$ 8,138

X

- Definition

Amount of estimated contractual cash flow not expected to be collected for receivable purchased without credit deterioration, acquired in business combination. Excludes purchased financial asset with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Fair value of receivable purchased without credit deterioration, acquired in business combination. Excludes purchased financial asset with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

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Amount of gross contractual receivable purchased without credit deterioration, acquired in business combination. Excludes purchased financial asset with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

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Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-19

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- Definition

Amount at par value of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount at purchase price of financing receivable purchased with credit deterioration.

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Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

+ References

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