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Residential Whole Loans - LTV on Loans (Details) - 90 or more $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 213,290 | $ 208,659
UPB | 217,921 | 211,164
Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 600,551 | 622,641
UPB | 646,883 | 665,511
Fair Value | Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | 303,400 | 330,810
UPB | $ 324,696 | $ 350,589
LTV (as a percent) | 0.763 | 0.756
Non-QM loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 99,532 | $ 93,508
UPB | $ 100,167 | $ 93,972
LTV (as a percent) | 0.659 | 0.667
Transitional loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 71,299 | $ 75,449
UPB | $ 73,438 | $ 76,415
LTV (as a percent) | 0.664 | 0.681
Single-family rental loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 37,839 | $ 34,653
UPB | $ 39,340 | $ 35,441
LTV (as a percent) | 0.720 | 0.721
Seasoned performing loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 4,213 | $ 5,049
UPB | $ 4,486 | $ 5,336
LTV (as a percent) | 0.484 | 0.417
Agency eligible investor loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 407 | $ 0
UPB | $ 490 | $ 0
LTV (as a percent) | 0.646 | 0
Purchased Credit Deteriorated Loans | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Value / Fair Value | $ 83,861 | $ 83,172
UPB | $ 104,266 | $ 103,758
LTV (as a percent) | 0.724 | 0.725

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