Note 5 - Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 1,216,551	$ 1,093,771
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	738	10,771
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	651	498
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	798	634
Financing Receivables, Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,187	11,903
Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,214,364	1,081,868
State and Political Subdivisions [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,683	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	1,029,809	919,415
Commercial Portfolio Segment [Member] | Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	153,187	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	153,187	137,009
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	129,464	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	0	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	0	0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	129,464	116,173
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	137,461	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	137,461	109,193
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	163,955	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	150	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	169	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	0	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	319	186
Commercial Portfolio Segment [Member] | Real estate secured by owner-occupied properties | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	163,636	160,509
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	313,390	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	0	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	0	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	313,390	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	5,652	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	5,652	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	105,779	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	0	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	0	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	0	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	0	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	105,779	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	3,238	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	3,238	3,445
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,683	18,708
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	17,683	18,708
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	114,423	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	114	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	440	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	571	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	1,125	1,295
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	113,298	107,611
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	48,231	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	235	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	42	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	119	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	396	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	47,835	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	6,561	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	126	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	0	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	91	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	217	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	6,344	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	14,092	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	95	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	17	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	112	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	13,980	15,607
Retail Portfolio Segment [Member] | Student Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,444	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	0	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	0	17
Retail Portfolio Segment [Member] | Student Loans [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,444	1,645
Retail Portfolio Segment [Member] | Overdrafts [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	209	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	196	171
Retail Portfolio Segment [Member] | Other Consumer [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,782	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	5	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	0	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	5	8
Retail Portfolio Segment [Member] | Other Consumer [Member] | Current Loans [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 1,777	$ 1,749