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Mortgage Servicing Rights - Narrative (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Transfers and Servicing [Abstract]      
Moving average of weekly prepayment data (in months) 3 months    
Anticipated loan prepayment rate of servicing assets (in hundredths) 7.01%    
Servicing assets and servicing liabilities at fair value, assumptions used to estimate fair value, discount rate adjustment factor (in hundredths) 9.38%    
Mortgage servicing rights capitalized $ 40 $ 13  
Amortization of mortgage servicing rights 218 244  
Fair value of mortgage servicing rights 2,775 3,074 $ 3,054
Outstanding principal balance of loans serviced for others $ 282,867 $ 302,430 $ 297,950