v3.26.3
Fair Value - Level 3 (Details) - Nonrecurring
$ in Thousands
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Commercial real estate | Commercial real estate    
Fair Value    
Collateral dependent loans $ 1,600 $ 8,675
Level 3 | Commercial real estate and Residential real estate | Commercial real estate and Home equity | Appraisal of collateral | Appraisal and liquidation adjustment    
Fair Value    
Collateral dependent loans $ 1,600  
Level 3 | Commercial real estate and Residential real estate | Commercial real estate and Home equity | Appraisal of collateral | Appraisal and liquidation adjustment | Minimum    
Fair Value    
Collateral dependent loans, Measurement input 0.20  
Level 3 | Commercial real estate and Residential real estate | Commercial real estate and Home equity | Appraisal of collateral | Appraisal and liquidation adjustment | Maximum    
Fair Value    
Collateral dependent loans, Measurement input 1  
Level 3 | Commercial real estate and Residential real estate | Commercial real estate and Home equity | Appraisal of collateral | Appraisal and liquidation adjustment | Weighted average    
Fair Value    
Impaired loans, Measurement input 0.28  
Level 3 | Commercial real estate | Commercial real estate    
Fair Value    
Collateral dependent loans $ 1,600 8,675
Level 3 | Commercial real estate | Commercial real estate | Appraisal of collateral | Appraisal and liquidation adjustment    
Fair Value    
Collateral dependent loans   $ 8,675
Level 3 | Commercial real estate | Commercial real estate | Appraisal of collateral | Appraisal and liquidation adjustment | Minimum    
Fair Value    
Collateral dependent loans, Measurement input   0.20
Level 3 | Commercial real estate | Commercial real estate | Appraisal of collateral | Appraisal and liquidation adjustment | Maximum    
Fair Value    
Collateral dependent loans, Measurement input   0.44
Level 3 | Commercial real estate | Commercial real estate | Appraisal of collateral | Appraisal and liquidation adjustment | Weighted average    
Fair Value    
Collateral dependent loans, Measurement input   0.23