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MSR Valuation Allowance, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
MSRs, at fair value | $ 2,327.7 |  | $ 2,327.7 |  | $ 2,374.7 | $ 2,272.2 | $ 2,580.6 | $ 2,665.2
Servicing Asset at Fair Value, Period Increase (Decrease) | 37.2 |  | 79.2 |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 46.7 | $ 47.4 | 96.0 | $ 44.0 |  |  |  |
MSR valuation adjustments, net | (32.7) | (48.9) | (44.3) | (117.9) |  |  |  |
Total MSR Reserve Fair Value Gains (Losses) | 37.2 | 77.2 | 79.2 | (63.3) |  |  |  |
Other financing liabilities, at fair value ($333.1 and $409.2 due to related party) ($5.4 and $5.6 related to VIEs) | 845.9 |  | 845.9 |  |  | 900.0 |  |
MSR |  |  |  |  |  |  |  |
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
MSRs, at fair value | 2,300.0 |  | 2,300.0 |  |  |  |  |
ESS Financing Liability |  |  |  |  |  |  |  |
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
Other financing liabilities, at fair value ($333.1 and $409.2 due to related party) ($5.4 and $5.6 related to VIEs) | 250.5 |  | 250.5 |  |  | 248.9 |  |
ESS Financing Liability |  |  |  |  |  |  |  |
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
Financing Liability At Fair Value | 590.0 | 1,009.5 | 590.0 | 1,009.5 | $ 647.9 | $ 645.5 | $ 883.3 | $ 931.7
Derivative, Gain (Loss) on Derivative, Net | (50.6) | (65.2) | (104.3) | (51.1) |  |  |  |
Pledged MSR Liabilities |  |  |  |  |  |  |  |
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
Servicing Asset at Fair Value, Period Increase (Decrease) | 22.1 | 65.4 | 17.5 | 12.7 |  |  |  |
ESS Financing Liabilities |  |  |  |  |  |  |  |
Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] |  |  |  |  |  |  |  |
Total Fair value changes in Servicing liability at fair value | $ 2.9 | $ 4.6 | $ (1.7) | $ 9.3 |  |  |  |

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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 Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 + Details
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