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Residential Mortgage Servicing Rights (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Servicing Assets at Fair Value [Line Items] |  |  |  |
Servicing | $ 9.2 | $ 9.5 | $ 18.6 | $ 18.6

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