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Investment in Equity Method Investee and Related Party Transactions (Narrative) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 30, 2024 | Mar. 31, 2024 | Mar. 31, 2023
Schedule of Equity Method Investments [Line Items] |  |  |
Subservicing Asset, Net Asset Value |  | $ 10.9 |
MAV Canopy HoldCo I, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage |  | 15.00% |
Mortgage Servicing Rights Title Transferred | Subsequent Event |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | $ 10,000.0 |  |
MSR Asset Vehicle LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Unpaid principal balance of loans subserviced |  | $ 53,400.0 |
UPB of MSRs sold |  | 18.0 | $ 8.0
MSR Asset Vehicle LLC | Mortgage Servicing Rights Title Transferred |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
UPB of rights to MSRs sold |  | $ 28,400.0 |

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- Definition Amount of contractual principal due at origination of mortgage loan within 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 29 -Paragraph Column F -Publisher SEC Reference 2: 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 F)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
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