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Residential Whole Loans - LTV on Loans (Details) - Residential whole loans $ in Thousands | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | $ 9,104,409 |
Business purpose loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 3,237,026 | $ 3,500,300
Business purpose loans | Single-family transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 1,006,280 | 1,106,631
Business purpose loans | Multifamily transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 875,125 | 976,964
Business purpose loans | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 1,355,621 | 1,416,705
Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 4,607,963 | 4,408,660
Legacy RPL/NPL loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 1,196,206 | 1,222,258
Other Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 63,214 | 63,614
Financial Asset, Equal to or Greater than 60 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 600,706 | 615,841
UPB | 685,593 | 687,120
Financial Asset, Equal to or Greater than 60 Days Past Due | Business purpose loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 189,949 | 209,186
UPB | 250,325 | 256,328
Financial Asset, Equal to or Greater than 60 Days Past Due | Business purpose loans | Single-family transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 101,545 | 109,221
UPB | $ 117,653 | $ 115,972
LTV (as a percent) | 0.91 | 0.79
Financial Asset, Equal to or Greater than 60 Days Past Due | Business purpose loans | Multifamily transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 44,925 | $ 56,970
UPB | $ 78,102 | $ 85,624
LTV (as a percent) | 0.80 | 0.79
Financial Asset, Equal to or Greater than 60 Days Past Due | Business purpose loans | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 43,479 | $ 42,995
UPB | $ 54,570 | $ 54,732
LTV (as a percent) | 0.99 | 0.99
Financial Asset, Equal to or Greater than 60 Days Past Due | Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 174,982 | $ 166,299
UPB | $ 177,886 | $ 169,459
LTV (as a percent) | 0.66 | 0.66
Financial Asset, Equal to or Greater than 60 Days Past Due | Legacy RPL/NPL loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 235,775 | $ 240,356
UPB | $ 257,382 | $ 261,333
LTV (as a percent) | 0.63 | 0.63
Financial Asset, Equal to or Greater than 60 Days Past Due | Other Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 0 | $ 0
UPB | $ 0 | $ 0
LTV (as a percent) | 0 | 0

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