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VARIABLE INTEREST ENTITIES - Schedule of the Fair Value of OBX Trusts Closed (Details) - Consolidated VIEs - USD ($) $ in Thousands | Sep. 30, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | May 31, 2023 | Apr. 30, 2023 | Feb. 28, 2023 | Jan. 31, 2023
--- | --- | --- | --- | --- | --- | --- | ---
OBX Trust |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  |  | $ 390,271 |  | $ 407,525 |  | $ 405,209
OBX Trust | OBX 2023-J1 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  |  |  |  |  | $ 305,755 |
OBX Trust | OBX 2023-NQM2 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  |  |  |  |  | $ 420,650 |
OBX Trust | OBX 2023-NQM4 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  |  |  | $ 394,291 |  |  |
OBX Trust | OBX 2023-INV1 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  |  |  | $ 314,839 |  |  |
OBX 2023-NQM6 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing |  | $ 400,530 |  |  |  |  |
OBX 2023-NQM7 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Face Value at Closing | $ 411,133 |  |  |  |  |  |

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