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Mortgage Servicing Rights - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Transfers and Servicing [Abstract]      
Moving average of weekly prepayment data (in months) 3 months    
Anticipated loan prepayment rate of servicing assets (in hundredths) 5.09%    
Servicing assets and servicing liabilities at fair value, assumptions used to estimate fair value, discount rate adjustment factor (in hundredths) 9.375%    
Mortgage servicing rights capitalized $ 17 $ 237  
Amortization of mortgage servicing rights 197 291  
Fair value of mortgage servicing rights 3,639 3,751 $ 3,734
Outstanding principal balance of loans serviced for others $ 332,993 $ 354,308 $ 342,870