v3.26.3
Note 3 - Loans and Allowance for Credit Losses - Financial Effect by Type of Modification (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 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 7,223 9,590 15,247 9,596
Extended Maturity [Member] | Commercial Portfolio Segment [Member]        
Modified in period 7,223 9,590 15,247 9,596
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]        
Modified in period 7,223 9,590 13,130 9,596
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]        
Modified in period 0 0 2,117 0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]        
Modified in period 0 0 0 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
Payment Deferral [Member]        
Modified in period 102 0 102 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]        
Modified in period 0 0 0 0
Payment Deferral [Member] | Retail Portfolio Segment [Member]        
Modified in period 102 0 102 0
Payment Deferral [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]        
Modified in period 102 0 102 0
Payment Deferral [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]        
Modified in period $ 0 $ 0 $ 0 $ 0