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Intangible Assets - FV Assumptions (Details) - Mortgage Servicing Rights
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Assumptions used in estimating the fair value of mortgage service rights    
Weighted average constant prepayment rate 7.30% 11.41%
Weighted average note rate 3.42% 3.38%
Weighted average discount rate 10.00% 8.00%
Weighted average expected life (in years) 6 years 11 months 23 days 6 years 10 days