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Intangible Assets - FV Assumptions (Details) - Mortgage Servicing Rights
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Assumptions used in estimating the fair value of mortgage service rights    
Weighted average constant prepayment rate 6.51% 7.30%
Weighted average note rate 3.49% 3.42%
Weighted average discount rate 11.00% 10.00%
Weighted average expected life (in years) 7 years 1 month 20 days 6 years 11 months 23 days