v3.26.1
Allowance for Credit Losses - Gross Charge-offs of Loans by Year of Origination (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Current Period Gross Charge-offs by Origination Year      
2026/2025 $ 42,000 $ 51,000  
2025/2024 561,000 603,000  
2024/2023 1,003,000 1,017,000  
2023/2022 1,279,000 1,668,000  
2022/2021 1,306,000 597,000  
Prior 500,000 198,000  
Total 4,691,000 4,134,000  
Collateral dependent loans 0   $ 0
Demand deposit overdrafts      
Current Period Gross Charge-offs by Origination Year      
2026/2025 217,000 45,000  
Equity lines      
Current Period Gross Charge-offs by Origination Year      
2023/2022 5,000    
Prior 6,000    
Total 11,000    
Residential mortgage      
Current Period Gross Charge-offs by Origination Year      
2026/2025   6,000  
Total   6,000  
Other consumer      
Current Period Gross Charge-offs by Origination Year      
2026/2025 42,000 45,000  
2025/2024 5,000 10,000  
2024/2023 7,000    
Total 54,000 55,000  
Consumer finance      
Current Period Gross Charge-offs by Origination Year      
Total 4,626,000 4,073,000  
Consumer finance | Automobiles      
Current Period Gross Charge-offs by Origination Year      
2025/2024 556,000 593,000  
2024/2023 968,000 1,004,000  
2023/2022 1,248,000 1,616,000  
2022/2021 1,242,000 587,000  
Prior 482,000 196,000  
Total 4,496,000 3,996,000  
Consumer finance | Marine and recreational vehicles      
Current Period Gross Charge-offs by Origination Year      
2024/2023 28,000 13,000  
2023/2022 26,000 52,000  
2022/2021 64,000 10,000  
Prior 12,000 2,000  
Total $ 130,000 $ 77,000