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Other Financing Liabilities, at Fair Value - Schedule of Activity Related to Financing Liability - MSRs Pledged (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
ESS Financing Liability |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |
Beginning balance | $ 647.9 | $ 883.3 | $ 645.5 | $ 931.7
MSR transfers | 5.8 | 93.4 | 12.7 | 97.8
Changes in fair value due to inputs and assumptions | 32.5 | 81.0 | 40.3 | 42.7
Realization of expected cash flows | (10.4) | (15.6) | (22.9) | (30.1)
Total fair value (gain) loss | 22.1 | 65.4 | 17.4 | 12.6
Ending balance (1) | 590.0 | 1,009.5 | 590.0 | 1,009.5
Derecognition of financing liability | (85.7) | (32.5) | (85.7) | (32.5)
MSR Asset Vehicle LLC |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |
UPB of MSRs sold |  |  | 30.1 | 17.9
MSR Asset Vehicle LLC | ESS Financing Liability |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |
MSR transfers | 0.0 | 0.1 | 0.0 | 0.2
Derecognition of financing liability | (85.7) | (32.5) | (85.7) | (32.5)
Other MSR Capital Partners | ESS Financing Liability |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |
MSR transfers | 5.8 | 93.3 | $ 12.7 | $ 97.6
MAV Asset Vehicle LLC | Fair Value Agency Mortgage Servicing Rights |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |
UPB of MSRs sold | $ 5,500.0 | $ 2,300.0 |  |

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- Definition This represents the amount of liability arose in connection with sales proceeds received in 2012 and 2013 as part of the Rights to MSRs transactions with NRZ/HLSS and has no contractual maturity or repayment schedule. The balance of the liability is adjusted each reporting period to its fair value based on the present value of the estimated future cash flows underlying the related MSRs. + References No definition available. + Details
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- Definition This represents the decrease in the value of financing liability due to portfolio runoff, settlements and other. + References No definition available. + Details
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- Definition Servicing Liability at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions, Net of Adjustments + References No definition available. + Details
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- Definition Total Fair Value Changes In Servicing Liability At Fair Value, Net Of Adjustments + References No definition available. + Details
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- Definition Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
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