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Residential Whole Loans - Residential Whole Loans, at Carrying and Fair Value (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) loan | Dec. 31, 2023 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 1,484,370 |
Allowance for Credit Losses | (19,612) | $ (20,451)
Total Residential Whole Loans | $ 9,118,665 | $ 9,041,292
Number of loans | loan | 25,709 | 25,401
Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for Credit Losses | $ (19,612) | $ (20,451)
Total Residential Whole Loans | $ 1,464,758 | $ 1,529,784
Number of loans | loan | 6,148 | 6,326
Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for Credit Losses | $ 0 | $ 0
Total Residential Whole Loans | $ 7,653,907 | $ 7,511,508
Number of loans | loan | 19,561 | 19,075
Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 8,032,841 | $ 7,926,593
Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,060,723 | 1,120,509
Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 6,972,118 | 6,806,084
Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 681,789 | 705,424
Nonperforming | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Nonperforming | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 681,789 | 705,424
Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 816,617 |
Non-QM loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,838,386 | 3,805,577
Non-QM loans | Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 816,617 | 843,884
Non-QM loans | Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,021,769 | 2,961,693
Transitional loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,494,772 | 2,361,496
Transitional loans | Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 29,098 | 35,467
Transitional loans | Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,465,674 | 2,326,029
Single-family Rental Loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,578,964 | 1,634,796
Loans held for sale | 0 | 13,600
Gain from sale of loans | 500 |
Single-family Rental Loans | Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 148,943 | 172,213
Single-family Rental Loans | Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,430,021 | 1,462,583
Seasoned performing loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 66,065 |
Seasoned performing loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 66,065 | 68,945
Seasoned performing loans | Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 66,065 | 68,945
Seasoned performing loans | Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Agency eligible investor loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 54,654 | 55,779
Agency eligible investor loans | Performing | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Agency eligible investor loans | Performing | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 54,654 | 55,779
Purchased Credit Deteriorated Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 423,647 | 429,726
Purchased Credit Deteriorated Loans | Held at Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 423,647 | 429,726
Purchased Credit Deteriorated Loans | Held at Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Single Family Residential Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,300,000 | 1,200,000
Multi-Family Transitional Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,200,000 | 1,200,000
New Construction Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 506,500 | $ 471,100

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