v3.26.1
Note 3 - Loans and Allowance for Credit Losses - Financial Effect by Type of Modification (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Contractual Interest Rate Reduction [Member]        
Modified in period $ 0 $ 0 $ 0 $ 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]        
Modified in period 0 0 0 0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member]        
Modified in period 7,941 20 9,118 20
Extended Maturity [Member] | Commercial Portfolio Segment [Member]        
Modified in period 7,941 20 9,118 20
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]        
Modified in period 5,824 20 7,001 20
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]        
Modified in period 2,117 0 2,117 0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member] | Retail Portfolio Segment [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]        
Modified in period 0 0 0 0
Extended Maturity [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]        
Modified in period 0 0 0 0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]        
Modified in period $ 0 $ 0 $ 0 $ 0