Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Credit Losses - Schedule of Nonaccrual Financing Receivables (Details)

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Note 3 - Loans and Allowance for Credit Losses - Schedule of Nonaccrual Financing Receivables (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Nonaccrual with no allowance $ 0 $ 0
Nonaccrual with allowance 1 1
Nonaccrual 1 1
Over 90 days accruing 0 0
Nonperforming loans 1 1
Commercial Portfolio Segment [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Residential Developed [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Unsecured to Residential Developers [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Vacant and Unimproved [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Commercial Development [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Residential Improved [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Commercial Improved [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Commercial Real Estate Portfolio Segment [Member] | Manufacturing and Industrial [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Consumer Portfolio Segment [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 1 1
Nonaccrual 1 1
Over 90 days accruing 0 0
Nonperforming loans 1 1
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 1 1
Nonaccrual 1 1
Over 90 days accruing 0 0
Nonperforming loans 1 1
Consumer Portfolio Segment [Member] | Unsecured Financing Receivable [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans 0 0
Consumer Portfolio Segment [Member] | Other Financing Receivables [Member]    
Nonaccrual with no allowance 0 0
Nonaccrual with allowance 0 0
Nonaccrual 0 0
Over 90 days accruing 0 0
Nonperforming loans $ 0 $ 0