Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	$ 999,926	$ 988,613
Gross loans	999,926	988,613
Nonaccruals	188	2,222
Nonaccruals, no allowance		2,013
Nonaccruals, with allowance	188	209
Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	995,335	982,894
Gross loans	995,335	982,894
Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	3,522	2,949
Gross loans	3,522	2,949
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	1,069	757
Loans 90 or more days past due and accruing	881	548
Gross loans	1,069	757
Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	328,653	307,855
Gross loans	328,653	307,855
Real Estate Construction Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	40,694	50,798
Gross loans	40,694	50,798
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	467,783	478,078
Gross loans	467,783	478,078
Commercial Non Real Estate Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	52,018	51,844
Gross loans	52,018	51,844
Public Sector and IDA Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	63,677	57,171
Gross loans	63,677	57,171
Nonaccruals
Public Sector and IDA Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	63,677
Gross loans	63,677
Public Sector and IDA Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross
Gross loans
Public Sector and IDA Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross
Loans 90 or more days past due and accruing
Gross loans
Consumer Non Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	47,101	42,867
Gross loans	47,101	42,867
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	11,282	16,162
Gross loans	11,282	16,162
Nonaccruals	0	0
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	11,282	16,162
Gross loans	11,282	16,162
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	0
Gross loans	0	0
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Construction, 1-4 Family Residential [Member] \| Public Sector and IDA Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		57,171
Gross loans		57,171
Nonaccruals		0
Construction, 1-4 Family Residential [Member] \| Public Sector and IDA Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		57,171
Gross loans		57,171
Construction, 1-4 Family Residential [Member] \| Public Sector and IDA Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Gross loans		0
Construction, 1-4 Family Residential [Member] \| Public Sector and IDA Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	29,412	34,636
Gross loans	29,412	34,636
Nonaccruals	0	0
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	29,101	34,636
Gross loans	29,101	34,636
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	311	0
Gross loans	311	0
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	27,544	22,618
Gross loans	27,544	22,618
Nonaccruals	0	0
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	27,494	22,551
Gross loans	27,494	22,551
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	67
Gross loans	0	67
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	50	0
Loans 90 or more days past due and accruing	50	0
Gross loans	50	0
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	198,304	171,382
Gross loans	198,304	171,382
Nonaccruals	0	0
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	196,857	170,110
Gross loans	196,857	170,110
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	1,447	949
Gross loans	1,447	949
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	323
Loans 90 or more days past due and accruing	0	323
Gross loans	0	323
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	11,160	8,574
Gross loans	11,160	8,574
Nonaccruals	0	0
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	11,154	8,565
Gross loans	11,154	8,565
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	6	9
Gross loans	6	9
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	91,645	105,281
Gross loans	91,645	105,281
Nonaccruals	0	0
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	91,471	104,756
Gross loans	91,471	104,756
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	174	347
Gross loans	174	347
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	178
Loans 90 or more days past due and accruing	0	178
Gross loans	0	178
Multifamily Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	148,833
Gross loans	148,833
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	148,833	143,630
Gross loans	148,833	143,630
Nonaccruals		0
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	148,644	143,444
Gross loans	148,644	143,444
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	189	186
Gross loans	189	186
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	131,473	140,653
Gross loans	131,473	140,653
Nonaccruals	188	2,222
Nonaccruals, no allowance		2,013
Nonaccruals, with allowance	188	209
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	130,856	138,284
Gross loans	130,856	138,284
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	0	147
Gross loans	0	147
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	617	209
Loans 90 or more days past due and accruing	429	0
Gross loans	617	209
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	187,477	193,795
Gross loans	187,477	193,795
Nonaccruals		0
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	186,939	193,249
Gross loans	186,939	193,249
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	538	546
Gross loans	538	546
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Commercial and Industrial [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	52,018
Gross loans	52,018
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	52,018	51,844
Gross loans	52,018	51,844
Nonaccruals	0	0
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	51,435	51,547
Gross loans	51,435	51,547
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	248	253
Gross loans	248	253
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	335	44
Loans 90 or more days past due and accruing	335	44
Gross loans	335	44
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	4,736	4,698
Gross loans	4,736	4,698
Nonaccruals		0
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	4,727	4,696
Gross loans	4,727	4,696
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	7	2
Gross loans	7	2
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	12,966	12,995
Gross loans	12,966	12,995
Nonaccruals		0
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	12,707	12,802
Gross loans	12,707	12,802
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	245	193
Gross loans	245	193
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	29,399	25,174
Gross loans	29,399	25,174
Nonaccruals		0
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	28,991	24,921
Gross loans	28,991	24,921
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	357	250
Gross loans	357	250
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, gross	51	3
Loans 90 or more days past due and accruing	51	3
Gross loans	$ 51	$ 3

Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Past Due and Nonaccrual Loans (Details) - USD ($)
$ in Thousands

Dec. 31, 2025

Dec. 31, 2024

Financing Receivable, Allowance for Credit Loss [Line Items]

Loans, gross

$ 999,926

$ 988,613

Gross loans

999,926

988,613

Nonaccruals

188