v3.26.1
Note 8 - Non-accrual Loans (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable $ 0 $ 0
Loans receivable 9,614 8,793
Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 1,553 1,704
Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 8,061 7,089
Commercial Portfolio Segment [Member] | Commercial and industrial    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 527 539
Commercial Portfolio Segment [Member] | Commercial and industrial | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Commercial and industrial | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 527 539
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 6,395 6,296
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Construction and Land Development [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 6,395 6,296
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-family Properties [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Owner-Occupied Properties [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 128 134
Commercial Portfolio Segment [Member] | Real Estate Secured by Owner-Occupied Properties [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 128 134
Commercial Portfolio Segment [Member] | Real Estate Secured by Owner-Occupied Properties [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Revolving real estate secured by 1-4 family properties-business | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
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 receivable 0 0
Loans receivable 184 317
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 184 317
Commercial Portfolio Segment [Member] | Real estate secured by 1st lein on 1-4 family properties-business | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
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 receivable 0 0
Loans receivable 237 239
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-business | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 237 239
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 0 0
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 1,701 815
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 799 815
Retail Portfolio Segment [Member] | 1-4 Family Residential Mortgages [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 902 0
Retail Portfolio Segment [Member] | Construction-individual [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 0 0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Retail Portfolio Segment [Member] | Construction-individual [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 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 receivable 0 0
Loans receivable 285 305
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 285 290
Retail Portfolio Segment [Member] | Revolving home equity secured by 1-4 family properties-personal | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 15
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 receivable 0 0
Loans receivable 112 113
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 112 113
Retail Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Personal | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
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 receivable 0 0
Loans receivable 15 15
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 15 15
Retail Portfolio Segment [Member] | Real estate secured by junior lein on 1-4 family properties-personal | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Retail Portfolio Segment [Member] | Student Loans [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 12 0
Retail Portfolio Segment [Member] | Student Loans [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 12 0
Retail Portfolio Segment [Member] | Student Loans [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Retail Portfolio Segment [Member] | Other Consumer [Member]    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 0 0
Loans receivable 18 20
Retail Portfolio Segment [Member] | Other Consumer [Member] | Nonaccrual With No Specifically-Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable 18 20
Retail Portfolio Segment [Member] | Other Consumer [Member] | Nonaccrual With Related ACL    
Financing Receivable Recorded Investment Past Due [Line Items]    
Loans receivable $ 0 $ 0