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Borrowings - Schedule of Assets Held as Collateral Related to Secured Borrowings (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Cash and cash equivalents | $ 203.1 | $ 201.6 |
Restricted cash | 46.3 | 53.5 |
Loans held for sale | 1,107.0 | 677.3 |
Loans held for investment, at fair value | 8,227.8 | 7,975.5 |
Unsecuritized loans | 113.0 | 101.5 | $ 121.0
Mortgage servicing rights (MSRs), at fair value | 2,327.7 | 2,272.2 |
Advances, net | 550.6 | 678.8 |
Receivables, net ($33.1 and $19.9 related to VIEs) | 153.4 | 154.8 |
REO | 20.9 | 18.3 |
Total Assets | 13,084.7 | $ 12,513.7 |
Assets |  |  |
Debt Instrument [Line Items] |  |  |
Cash and cash equivalents | 203.1 |  |
Restricted cash | 46.3 |  |
Loans held for sale | 1,107.0 |  |
Loans held for investment, at fair value | 8,109.4 |  |
Unsecuritized loans | 113.0 |  |
Mortgage servicing rights (MSRs), at fair value | 1,720.1 |  |
Advances, net | 550.6 |  |
Receivables, net ($33.1 and $19.9 related to VIEs) | 153.4 |  |
REO | 20.9 |  |
Total Assets | 12,023.8 |  |
Pledged Assets |  |  |
Debt Instrument [Line Items] |  |  |
Cash and cash equivalents | 0.0 |  |
Restricted cash | 46.3 |  |
Loans held for sale | 1,063.7 |  |
Loans held for investment, at fair value | 8,109.4 |  |
Unsecuritized loans | 81.9 |  |
Mortgage servicing rights (MSRs), at fair value | 1,729.1 |  |
Advances, net | 469.2 |  |
Receivables, net ($33.1 and $19.9 related to VIEs) | 56.4 |  |
REO | 17.9 |  |
Collateralized Borrowings |  |  |
Debt Instrument [Line Items] |  |  |
Cash and cash equivalents | 0.0 |  |
Restricted cash | 9.4 |  |
Loans held for sale | 1,063.6 |  |
Loans held for investment, at fair value | 8,035.4 |  |
Unsecuritized loans | 71.8 |  |
Mortgage servicing rights (MSRs), at fair value | 1,147.7 |  |
Advances, net | 435.8 |  |
Receivables, net ($33.1 and $19.9 related to VIEs) | 60.3 |  |
REO | 19.3 |  |
Total Assets | 10,843.1 |  |
Senior Lien | Asset Pledged as Collateral with Right |  |  |
Debt Instrument [Line Items] |  |  |
Total Assets | 11,573.9 |  |
Unencumbered Assets |  |  |
Debt Instrument [Line Items] |  |  |
Cash and cash equivalents | 203.1 |  |
Restricted cash | 0.0 |  |
Loans held for sale | 43.3 |  |
Loans held for investment, at fair value | 0.0 |  |
Unsecuritized loans | 31.2 |  |
Mortgage servicing rights (MSRs), at fair value | 0.0 |  |
Advances, net | 81.5 |  |
Receivables, net ($33.1 and $19.9 related to VIEs) | 97.0 |  |
REO | 3.0 |  |
Total Assets | $ 458.9 |  |

X
- Definition Carrying amount as of the balance sheet date of non-interest-bearing advances made on loans serviced for others. Includes receivables for funds advanced by the servicer to meet contractual principal and interest remittance requirements for the investors, pay property taxes and insurance premiums and process foreclosures. Also includes receivables for funds advanced to maintain, repair and market foreclosed real estate properties on behalf of investors. + References No definition available. + Details
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