Note 8 - Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 1,162,811	$ 1,093,771
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	3,502	10,771
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	737	498
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	890	634
Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	5,129	11,903
Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,157,682	1,081,868
State and Political Subdivisions [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,524	18,708
State and Political Subdivisions [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
State and Political Subdivisions [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
State and Political Subdivisions [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
State and Political Subdivisions [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	984,429	919,415
Commercial Portfolio Segment [Member] | Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	147,747	137,086
Commercial Portfolio Segment [Member] | Commercial and industrial | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	77
Commercial Portfolio Segment [Member] | Commercial and industrial | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Commercial and industrial | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Commercial and industrial | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	77
Commercial Portfolio Segment [Member] | Commercial and industrial | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	147,747	137,009
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	129,843	116,173
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	338	0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	338	0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	129,505	116,173
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	115,205	109,193
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	115,205	109,193
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	165,951	160,695
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	174	186
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	185	0
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	359	186
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	165,592	160,509
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	296,501	265,101
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,916	9,675
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,916	9,675
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	293,585	255,426
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	4,331	5,442
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	4,331	5,442
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	104,443	103,572
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	244	323
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	105	0
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	223	0
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	572	323
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	103,871	103,249
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,884	3,445
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,884	3,445
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,524	18,708
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,524	18,708
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	108,563	108,906
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	433
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	161	381
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	370	481
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	531	1,295
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	108,032	107,611
Retail Portfolio Segment [Member] | Construction-individual [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	46,408	34,231
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17	56
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	129
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17	185
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	46,391	34,046
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	7,251	11,981
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	112	0
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	129	96
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	94	0
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	335	96
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	6,916	11,885
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	12,708	15,625
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	18	18
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	18	18
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	12,690	15,607
Retail Portfolio Segment [Member] | Student Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,602	1,662
Retail Portfolio Segment [Member] | Student Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17	0
Retail Portfolio Segment [Member] | Student Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	11
Retail Portfolio Segment [Member] | Student Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	6
Retail Portfolio Segment [Member] | Student Loans [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17	17
Retail Portfolio Segment [Member] | Student Loans [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,585	1,645
Retail Portfolio Segment [Member] | Overdrafts [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	149	194
Retail Portfolio Segment [Member] | Overdrafts [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	13	21
Retail Portfolio Segment [Member] | Overdrafts [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	2
Retail Portfolio Segment [Member] | Overdrafts [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Overdrafts [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	13	23
Retail Portfolio Segment [Member] | Overdrafts [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	136	171
Retail Portfolio Segment [Member] | Other Consumer [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,701	1,757
Retail Portfolio Segment [Member] | Other Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	9	0
Retail Portfolio Segment [Member] | Other Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	4	8
Retail Portfolio Segment [Member] | Other Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	0	0
Retail Portfolio Segment [Member] | Other Consumer [Member] | Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	13	8
Retail Portfolio Segment [Member] | Other Consumer [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,688	1,749
Retail Portfolio Segment [Member] | Family Residential Mortgages [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 108,563	$ 108,906