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Securitizations and Variable Interest Entities - Schedule of Carrying Value of Assets and Liabilities of Loans Held for Sale Financing Facility (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
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Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] |  |  |  |  |  |
Loans Held-for-sale, Fair Value Disclosure | $ 944.7 | $ 1,352.9 | $ 617.8 | $ 725.2 | $ 683.1 | $ 917.5

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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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