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Other Financing Liabilities, at Fair Value - Schedule of MSR Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2024
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	$ 900.0	$ 900.0	$ 846.9
Financing Liability Excess Servicing Spread
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	248.9	248.9	263.3
ESS Financing Liability
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	645.5	645.5	583.5
Financing Liabilities | Residential Asset Securitization Trust 2003-A11 (RAST 2003-A11)
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	5.6	5.6	0.0
NRZ | UPBs Related to PLS MSRs
Servicing Liabilities at Fair Value [Line Items]
UPB of MSRs sold	33,400.0
NRZ | Original Rights to MSRs Agreements | Financing Liabilities
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	121.0	121.0	115.1
MAV Asset Vehicle LLC
Servicing Liabilities at Fair Value [Line Items]
UPB of MSRs sold		2,300.0
MAV Asset Vehicle LLC | MAV MSR Sale Agreements | Financing Liabilities
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	409.2	409.2	322.7
Other counterparties for Pledged MSR liab. | Financing Liabilities
Servicing Liabilities at Fair Value [Line Items]
Other financing liabilities, at fair value ($322.7 and $409.2 due to related party) ($0.0 and $5.6 related to VIEs)	$ 115.3	$ 115.3	$ 145.8

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No definition available.

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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(Column G)(Footnote 6))
-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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