Mortgage Servicing Rights - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Jun. 30, 2021 |
Dec. 31, 2020 |
Jun. 30, 2020 |
Dec. 31, 2019 |
|
Servicing Asset at Amortized Cost [Line Items] | ||||||||
Mortgage Loans Serviced By For Third Parties | $ 4,300,000 | $ 4,300,000 | $ 4,700,000 | |||||
Fair value of MSRs | 32,900 | 32,900 | 28,200 | |||||
Residential Mortgage | ||||||||
Servicing Asset at Amortized Cost [Line Items] | ||||||||
Reduction (addition) to valuation allowance | (3,500) | $ 1,500 | (7,400) | $ 9,200 | ||||
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance | $ 3,100 | $ 9,200 | $ 3,100 | $ 9,200 | $ 6,600 | $ 10,500 | $ 7,700 | $ 0 |