v3.26.1
Note 5 - Loan Restructurings - Schedule of Modified Loans With Subsequent Default (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Payment Deferral [Member]    
Loans, modified, subsequent default $ 102 $ 124
Payment Deferral [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]    
Loans, modified, subsequent default 102 0
Payment Deferral [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]    
Loans, modified, subsequent default   0
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]    
Loans, modified, subsequent default   124
Extended Maturity [Member]    
Loans, modified, subsequent default 0 0
Extended Maturity [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]    
Loans, modified, subsequent default 0 0
Extended Maturity [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]    
Loans, modified, subsequent default   0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]    
Loans, modified, subsequent default   0
Contractual Interest Rate Reduction [Member]    
Loans, modified, subsequent default 0 0
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]    
Loans, modified, subsequent default 0 0
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]    
Loans, modified, subsequent default   0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]    
Loans, modified, subsequent default   0
Extended Maturity and Interest Rate Reduction [Member]    
Loans, modified, subsequent default 0 19
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]    
Loans, modified, subsequent default $ 0 0
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]    
Loans, modified, subsequent default   19
Extended Maturity and Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]    
Loans, modified, subsequent default   $ 0