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Residential Loans, at Fair Value - Schedule of Residential Mortgage Loans Held in Securitization Trusts, Net (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Principal | $ 4,272,757 | $ 4,129,335
Discount | (104,324) | (74,755)
Unrealized losses, net | (142,406) | (212,842)
Carrying value | 4,026,027 | 3,841,738
Consolidated SLST | VIE, Primary Beneficiary |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Principal | 1,353,853 | 1,111,633
Discount | (62,517) | (24,303)
Unrealized losses, net | (91,953) | (121,658)
Carrying value | 1,199,383 | 965,672
Residential loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Principal | 381,366 | 652,642
Discount | (1,780) | (1,750)
Unrealized losses, net | (12,497) | (18,626)
Carrying value | 367,089 | 632,266
Residential loans held in securitization trusts |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Principal | 2,537,538 | 2,365,060
Discount | (40,027) | (48,702)
Unrealized losses, net | (37,956) | (72,558)
Carrying value | $ 2,459,555 | $ 2,243,800

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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 S50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478322/948-310-S50-2 Reference 3: 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/1943274/2147479628/948-310-S99-1 + Details
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