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Reverse Mortgages - Schedule of Loans Held For Investment and HMBS Related Borrowings (Details) - USD ($) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Nov. 01, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Loans Held for Investment - Reverse Mortgages |  |  |  |
Loans Held For Investment, Reverse Mortgages, Unpaid Principal |  | $ 10,361.5 |  | $ 10,699.5
Loans Held For Investment, Reverse Mortgages, Fair Value Adjustment |  | 451.0 |  | 425.8
Beginning balance |  | 11,125.3 | $ 7,970.0 |
Originations |  | 277.1 | 250.3 |
Repayments (principal payments received) |  | (786.1) | (276.9) |
Loans held for sale, at fair value |  | (3.1) | (1.0) |
Receivables |  | (2.5) | (0.9) |
REO (Other assets) |  | (0.2) | 0.0 |
Other |  | 0.0 |  |
Change in fair value |  | 202.1 | 183.5 |
Securitized loans (pledged to HMBS-related borrowings) |  | 10,676.0 |  | 10,950.8
Unsecuritized loans |  | 136.5 |  | $ 174.5
Ending balance |  | 10,812.5 | 8,125.0 |
HMBS Related Borrowings |  |  |  |
Beginning balance |  | (10,872.1) | (7,797.3) |
Securitization of HECM loans accounted for as a financing |  | (309.1) | (247.4) |
Additional proceeds from securitization of HECM loans and tails |  | (4.1) | (3.4) |
Acquisition | $ 2,900.0 | 0.0 | 0.0 |
Acquisition |  | 0.0 | 0.0 |
Repayments (principal payments received) |  | 777.1 | 272.1 |
Change in fair value |  | (179.4) | (169.0) |
Ending balance |  | (10,587.6) | $ (7,945.0) |
Securitized loans (pledged to HMBS-related borrowings) |  | $ (10,600.0) |  |

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- Definition Amounts related to additional proceeds from securitization of loans and tails of home equity conversion mortgage-backed securities related borrowings accounted for as a financing. + References No definition available. + Details
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- Definition Change in fair value related to home equity conversion mortgage-backed securities related borrowings accounted for as a financing. + References No definition available. + Details
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- Definition Principal repayment in connection with home equity conversion mortgage-backed securities related borrowings accounted for as a financing. + References No definition available. + Details
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- Definition Amounts related to securitization of home equity conversion mortgage-backed securities related borrowings accounted for as a financing. + References No definition available. + Details
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- Definition This represents the amount of liability which is a resultant of reverse mortgage loans sold into the secondary with servicing rights retained. As the transfer of these loans do not meet the definition of participating interest because of the servicing requirement that requires the issuer to absorb some level of risk, these transfers are accounted for as financing. + References No definition available. + Details
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- Definition Loans held for investment, reverse mortgages. + References No definition available. + Details
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- Definition Loans held for investment, reverse mortgages, acquisitions. + References No definition available. + Details
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- Definition Loans Held For Investment, Reverse Mortgages, Fair Value Adjustment + References No definition available. + Details
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- Definition Amount of loans held for investment, reverse mortgages transferred to loans held for sale, fair value during the period. + References No definition available. + Details
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- Definition Amount of loans held for investment, reverse mortgages originated during the period. + References No definition available. + Details
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- Definition Amount of loans held for investment, reverse mortgages transferred to real estate owned during the period. + References No definition available. + Details
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- Definition Amount of loans held for investment, reverse mortgages transferred to receivables during the period. + References No definition available. + Details
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- Definition Principal payments received on loans held for investment during the period. + References No definition available. + Details
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- Definition Amount of securitized loans held for investment, reverse mortgages. + References No definition available. + Details
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- Definition Amount of un securitized loans held for investment, reverse mortgages. + References No definition available. + Details
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- Definition Loans Held For Investment, Reverse Mortgages, Unpaid Principal + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition This is the principal amount outstanding for securitized loans only (across all types of loans). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (a) -Paragraph 4 -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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