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Mortgage Servicing Rights - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Servicing Asset at Amortized Cost [Line Items]            
Mortgage Loans Serviced By For Third Parties $ 4,200,000   $ 4,300,000      
Fair value of MSRs 51,100   35,400      
Residential Mortgage            
Servicing Asset at Amortized Cost [Line Items]            
Fair value of MSRs 51,072     $ 32,938    
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance $ 0 $ 0 $ 600 $ 3,100 $ 6,600 $ 10,500