v3.26.1
Note 5 - Loans and Allowance for Credit Losses (Details Textual)
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Financing Receivable, Nonaccrual, Interest Income $ 0 $ 0
Financing Receivable, Modifications, Number of Contracts 1  
Financing Receivable, Modified, Weighted Average Term Increase from Modification 3 months  
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable Accrued interest receivable
Financing Receivable, Accrued Interest, after Allowance for Credit Loss $ 2,000,000 $ 1,900,000
Loans Acquired, Accretable Yield 132,000  
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Amortization 138,000 239,000
Participating Mortgage Loans, Participation Liabilities, Amount 15,100,000 17,700,000
Federal Home Loan Bank of Atlanta [Member] | Asset Pledged as Collateral [Member] | Federal Home Loan Bank Advances [Member]    
Financing Receivable, before Allowance for Credit Loss 102,000,000  
Federal Home Loan Bank of Richmond [Member] | Asset Pledged as Collateral [Member] | Federal Home Loan Bank Advances [Member]    
Financing Receivable, before Allowance for Credit Loss 77,400,000  
Financial Asset Acquired with Credit Deterioration [Member]    
Loans Acquired, Outstanding Balance 53,500  
Nonaccrual Loans [Member]    
Financing Receivable, Allowance for Credit Loss   360,000
Nonperforming Financial Instruments [Member]    
Financing Receivable, Nonaccrual, Interest Income   25,000
Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, Nonaccrual $ 0 $ 2,400,000
Financing Receivable, Number of Loans, Nonaccrual Status   3