Investment in Equity Method Investee and Related Party Transactions (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Schedule of Equity Method Investments [Line Items]
Subservicing Asset, Net Asset Value	$ 10.6
MAV Canopy HoldCo I, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	15.00%
MSR Asset Vehicle LLC
Schedule of Equity Method Investments [Line Items]
Unpaid principal balance of loans subserviced	$ 52,900.0
UPB of MSRs sold	30.1	$ 17.9
MSR Asset Vehicle LLC \| Mortgage Servicing Rights Title Transferred
Schedule of Equity Method Investments [Line Items]
UPB of rights to MSRs sold	$ 22,300.0

Subservicing Asset, Net Asset Value

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- Definition

Unpaid principal balance of loans subserviced.

+ References

No definition available.

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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

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

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- Definition

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(Footnote 6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
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-Subparagraph (c)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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-Paragraph 3
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-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

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