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Residential Whole Loans - LTV on Loans (Details) - Residential whole loans $ in Thousands | Jun. 30, 2026 USD ($) | Dec. 31, 2025 USD ($)
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | $ 8,983,707 | $ 8,989,910
Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 5,684,786 | 5,322,321
Business purpose loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 2,198,748 | 2,510,608
Business purpose loans | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 1,166,676 | 1,246,745
Business purpose loans | Single-family transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 671,699 | 732,059
Business purpose loans | Multifamily transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 360,373 | 531,804
Seasoned RPL/NPL loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 1,042,205 | 1,097,698
Other loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
UPB | 57,968 | 59,283
Financial Asset, Equal to or Greater than 60 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 553,082 | 571,976
UPB | 629,964 | 639,649
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 | 232,699 | 218,793
UPB | $ 240,855 | $ 222,327
LTV (as a percent) | 0.66 | 0.64
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 | $ 155,944 | $ 155,672
UPB | 208,990 | 203,071
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 | 28,055 | 29,967
UPB | $ 29,104 | $ 31,395
LTV (as a percent) | 0.65 | 0.68
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 | $ 77,713 | $ 70,821
UPB | $ 91,806 | $ 84,081
LTV (as a percent) | 0.85 | 0.83
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 | $ 50,176 | $ 54,884
UPB | $ 88,080 | $ 87,595
LTV (as a percent) | 1.60 | 0.68
Financial Asset, Equal to or Greater than 60 Days Past Due | Seasoned RPL/NPL loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 164,439 | $ 197,511
UPB | $ 180,119 | $ 214,251
LTV (as a percent) | 0.60 | 0.60
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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