Note 3 - Loans and Allowance for Credit Losses on Loans - Non-accrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Non-accrual with no allowance	$ 2,291	$ 9,042
Non-accrual loans	18,559	21,727
Troubled Debt Restructurings, excluding non-accrual loans	100	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	302	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	6,829	6,452
Troubled Debt Restructurings, excluding non-accrual loans	0	73
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	0	4,409
Non-accrual loans	3,812	5,221
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	434	434
Non-accrual loans	3,017	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	2,318	4,903
Troubled Debt Restructurings, excluding non-accrual loans	9	114
Commercial and Industrial Portfolio Segment [Member] \| Term [Member]
Non-accrual with no allowance	302	3,828
Non-accrual loans	1,130	4,903
Troubled Debt Restructurings, excluding non-accrual loans	9	95
Commercial and Industrial Portfolio Segment [Member] \| Lines of Credit [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	1,188	0
Troubled Debt Restructurings, excluding non-accrual loans	0	19
Residential Real Estate Portfolio Segment [Member]
Non-accrual with no allowance	194	371
Non-accrual loans	7,484	9,619
Troubled Debt Restructurings, excluding non-accrual loans	91	39
Residential Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	1,432	2,451
Troubled Debt Restructurings, excluding non-accrual loans	91	39
Residential Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	194	371
Non-accrual loans	6,052	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	265	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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