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Other Assets and Liabilities - Schedule of REO Information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) asset partnership | Dec. 31, 2022 USD ($) asset | Dec. 31, 2021 USD ($) | Dec. 31, 2018 partnership
Other Real Estate [Roll Forward] |  |  |  |
Balance at beginning of period | $ 6,455 | $ 36,126 |  |
Transfers to REO | 100,280 | 8,494 |  |
Liquidations | (10,891) | (39,673) |  |
Changes in fair value, net | (2,245) | 1,507 |  |
Balance at End of Period | 93,599 | 6,455 | $ 36,126 |
Realized gain (loss) from liquidation | $ (2,000) | $ 2,000 |  |
Number of REO properties recorded on balance sheet | asset | 45 | 28 |  |
Number of partnerships consolidated | partnership | 2 |  |  | 2
Co-investors gains (losses) | $ 6,000 | $ 2,000 | 2,000 |
Legacy Sequoia |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Balance at beginning of period | 544 | 61 |  |
Transfers to REO | 18 | 544 |  |
Liquidations | (562) | (505) |  |
Changes in fair value, net | 0 | 443 |  |
Balance at End of Period | $ 0 | $ 544 | 61 |
Number of REO properties recorded on balance sheet | asset | 0 | 2 |  |
Freddie Mac SLST |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Balance at beginning of period | $ 2,899 | $ 2,028 |  |
Transfers to REO | 3,556 | 3,976 |  |
Liquidations | (3,577) | (3,139) |  |
Changes in fair value, net | 280 | 34 |  |
Balance at End of Period | $ 3,158 | $ 2,899 | 2,028 |
Number of REO properties recorded on balance sheet | asset | 28 | 24 |  |
Net investments in consolidated CAFL Term entities |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Balance at beginning of period | $ 0 | $ 20,969 |  |
Transfers to REO | 2,684 | 0 |  |
Liquidations | 0 | (20,969) |  |
Changes in fair value, net | 0 | 0 |  |
Balance at End of Period | $ 2,684 | $ 0 | 20,969 |
Number of REO properties recorded on balance sheet | asset | 1 | 0 |  |
Co-Investors Interests |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Carrying value of interests | $ 21,000 |  |  |
Point Home Equity Investment Noncontrolling Interest |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Carrying value of interests | 60,000 |  |  |
Co-investors gains (losses) | 8,000 | $ 5,000 | 400 |
BPL bridge loans |  |  |  |
Other Real Estate [Roll Forward] |  |  |  |
Balance at beginning of period | 3,012 | 13,068 |  |
Transfers to REO | 94,022 | 3,974 |  |
Liquidations | (6,752) | (15,060) |  |
Changes in fair value, net | (2,525) | 1,030 |  |
Balance at End of Period | $ 87,757 | $ 3,012 | $ 13,068 |
Number of REO properties recorded on balance sheet | asset | 16 | 2 |  |

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