Note 3 - Loans and Allowance for Credit Losses on Loans - Non-accrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Non-accrual with no allowance	$ 2,349	$ 9,042
Non-accrual loans	17,650	21,727
Troubled Debt Restructurings, excluding non-accrual loans	378	487
Home Equity Line of Credit [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	0	70
Troubled Debt Restructurings, excluding non-accrual loans	0	91
Credit Cards [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	130	0
Troubled Debt Restructurings, excluding non-accrual loans	0	170
Commercial Real Estate Portfolio Segment [Member]
Non-accrual with no allowance	434	4,843
Non-accrual loans	6,806	6,452
Troubled Debt Restructurings, excluding non-accrual loans	162	73
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	0	4,409
Non-accrual loans	4,104	5,221
Troubled Debt Restructurings, excluding non-accrual loans	162	0
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	434	434
Non-accrual loans	2,702	1,231
Troubled Debt Restructurings, excluding non-accrual loans	0	73
Commercial and Industrial Portfolio Segment [Member]
Non-accrual with no allowance	302	3,828
Non-accrual loans	1,583	4,903
Troubled Debt Restructurings, excluding non-accrual loans	23	114
Commercial and Industrial Portfolio Segment [Member] \| Term [Member]
Non-accrual with no allowance	302	3,828
Non-accrual loans	1,133	4,903
Troubled Debt Restructurings, excluding non-accrual loans	3	95
Commercial and Industrial Portfolio Segment [Member] \| Lines of Credit [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	450	0
Troubled Debt Restructurings, excluding non-accrual loans	20	19
Residential Real Estate Portfolio Segment [Member]
Non-accrual with no allowance	252	371
Non-accrual loans	7,396	9,619
Troubled Debt Restructurings, excluding non-accrual loans	193	39
Residential Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	1,548	2,451
Troubled Debt Restructurings, excluding non-accrual loans	193	39
Residential Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	252	371
Non-accrual loans	5,848	7,168
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Construction and Development [Member]
Non-accrual with no allowance	1,361	0
Non-accrual loans	1,361	311
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Consumer Portfolio Segment [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	374	372
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Finance Leases Portfolio Segment [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	0	0
Troubled Debt Restructurings, excluding non-accrual loans	$ 0	$ 0

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Publisher FASB
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