Note 5 - Allowance for Credit Losses - Allowance by Impairment Methodology and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Balance	$ 11,974	$ 7,446
Charge-offs	(4,034)	(3,993)
Recoveries	284	418
Provision for credit losses on loans	7,789	5,917
Balance	16,400	11,974
Individually evaluated	3,079	2,705
Collectively evaluated	13,321	9,269
Loans	1,466,595	969,430
Individually evaluated	6,971	6,763
Collectively evaluated	1,459,624	962,667
Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	3,961
Financial Asset Acquired and No Credit Deterioration [Member]
Loans	603,046	164,028
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		2,186
Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	386
Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	3,829
Real Estate 1 [Member] \| Construction and Land Development [Member]
Balance	312	546
Charge-offs	(4)	0
Recoveries	0	0
Provision for credit losses on loans		79
Balance	585	312
Individually evaluated	0	0
Collectively evaluated	585	312
Loans	84,480	52,680
Individually evaluated	50	38
Collectively evaluated	84,430	52,642
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	148
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(313)
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	11
Real Estate 1 [Member] \| Construction and Land Development [Member] \| Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	118
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member]
Balance	3,159	1,108
Charge-offs	(38)	(59)
Recoveries	22	47
Provision for credit losses on loans		654
Balance	4,266	3,159
Individually evaluated	0	0
Collectively evaluated	4,266	3,159
Loans	547,167	344,369
Individually evaluated	2,148	495
Collectively evaluated	545,019	343,874
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	(360)
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		1,409
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	173
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member] \| Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	1,310
Real Estate 1 [Member] \| Other Real Estate Loans [Member]
Balance	4,698	3,609
Charge-offs	0	(34)
Recoveries	3	14
Provision for credit losses on loans		(593)
Balance	7,462	4,698
Individually evaluated	0	0
Collectively evaluated	7,462	4,698
Loans	672,162	447,272
Individually evaluated	0	0
Collectively evaluated	672,162	447,272
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	1,190
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		1,702
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	201
Real Estate 1 [Member] \| Other Real Estate Loans [Member] \| Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	1,370
Commercial and Industrial Loans [Member]
Balance	3,706	1,874
Charge-offs	(3,699)	(3,452)
Recoveries	111	145
Provision for credit losses on loans		5,526
Balance	3,927	3,706
Individually evaluated	3,079	2,705
Collectively evaluated	848	1,001
Loans	141,333	113,074
Individually evaluated	4,773	6,230
Collectively evaluated	136,560	106,844
Commercial and Industrial Loans [Member] \| Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	3,665
Commercial and Industrial Loans [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(387)
Commercial and Industrial Loans [Member] \| Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	1
Commercial and Industrial Loans [Member] \| Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	143
Consumer and Other Loans [Member]
Balance	99	309
Charge-offs	(293)	(448)
Recoveries	148	212
Provision for credit losses on loans		251
Balance	160	99
Individually evaluated	0	0
Collectively evaluated	160	99
Loans	21,453	12,035
Individually evaluated	0	0
Collectively evaluated	21,453	12,035
Consumer and Other Loans [Member] \| Loans Before Business Acquisitions [Member]
Provision for credit losses on loans	(682)
Consumer and Other Loans [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		$ (225)
Consumer and Other Loans [Member] \| Touchstone Bankshares, Inc [Member]
Initial Allowance on PCD Touchstone loans	0
Consumer and Other Loans [Member] \| Touchstone Bankshares, Inc [Member] \| Financial Asset Acquired and No Credit Deterioration [Member]
Provision for credit losses on loans	$ 888

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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