Note 3 - Loans and Allowance for Credit Losses on Loans - Non-accrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Non-accrual with no allowance	$ 985	$ 1,092
Non-accrual loans	10,519	12,585
Troubled Debt Restructurings, excluding non-accrual loans	927	449
Home Equity Line of Credit [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	0	0
Troubled Debt Restructurings, excluding non-accrual loans	49	0
Credit Cards [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	110	52
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Commercial Real Estate Portfolio Segment [Member]
Non-accrual with no allowance	583	0
Non-accrual loans	2,062	2,732
Troubled Debt Restructurings, excluding non-accrual loans	719	291
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	583	0
Non-accrual loans	858	283
Troubled Debt Restructurings, excluding non-accrual loans	719	72
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	1,204	2,449
Troubled Debt Restructurings, excluding non-accrual loans	0	219
Commercial and Industrial Portfolio Segment [Member]
Non-accrual with no allowance	41	348
Non-accrual loans	813	1,001
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Commercial and Industrial Portfolio Segment [Member] \| Term [Member]
Non-accrual with no allowance	41	348
Non-accrual loans	512	819
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Commercial and Industrial Portfolio Segment [Member] \| Lines of Credit [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	301	182
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Residential Real Estate Portfolio Segment [Member]
Non-accrual with no allowance	341	724
Non-accrual loans	7,216	8,522
Troubled Debt Restructurings, excluding non-accrual loans	159	158
Residential Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Non-accrual with no allowance	324	324
Non-accrual loans	1,161	1,173
Troubled Debt Restructurings, excluding non-accrual loans	159	0
Residential Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Non-accrual with no allowance	17	400
Non-accrual loans	6,055	7,349
Troubled Debt Restructurings, excluding non-accrual loans	0	158
Construction and Development [Member]
Non-accrual with no allowance	0	0
Non-accrual loans	0	0
Troubled Debt Restructurings, excluding non-accrual loans	0	0
Consumer Portfolio Segment [Member]
Non-accrual with no allowance	20	20
Non-accrual loans	318	278
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
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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