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Other Financing Liabilities, at Fair Value – Schedule of Results of Operations in Connection With MSR Transfer Agreements that Do Not Qualify for Sale Accounting (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Related Party Transaction [Line Items] |  |
Proceeds from Collection of Loans Receivable | $ 32.4 | $ 36.6
Less: Subservicing fee retained by Onity | (5.9) | (7.1)
Ancillary and other settlement | 2.3 | 2.3
MSR Pledged liability expense | 41.9 | 44.9
Financing Liability Mortgage Servicing Rights Pledged [Member] |  |
Related Party Transaction [Line Items] |  |
MSR Pledged liability expense | 28.8 | 31.8
Financing Liability Excess Servicing Spread [Member] |  |
Related Party Transaction [Line Items] |  |
MSR Pledged liability expense | 13.1 | 13.1
MSR Asset Vehicle LLC |  |
Related Party Transaction [Line Items] |  |
Proceeds from Collection of Loans Receivable | 13.5 | 18.0
Less: Subservicing fee retained by Onity | (1.9) | (2.5)
Ancillary and other settlement | (0.1) | (0.1)
MSR Pledged liability expense | 11.5 | 15.3
Rithm Capital Corp . and others |  |
Related Party Transaction [Line Items] |  |
Proceeds from Collection of Loans Receivable | 18.9 | 18.6
Less: Subservicing fee retained by Onity | (4.0) | (4.6)
Ancillary and other settlement | 2.4 | 2.4
MSR Pledged liability expense | $ 17.3 | $ 16.5

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- Definition This element represents interest incurred for borrowed money which was used to produce goods or render services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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