VARIABLE INTEREST ENTITIES - Schedule of the Fair Value of OBX Trusts Closed (Details) - Consolidated VIEs - USD ($) $ in Thousands	Sep. 30, 2025	Aug. 31, 2025	Jul. 31, 2025	Jun. 30, 2025	May 31, 2025	Apr. 30, 2025	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025
OBX 2025-NQM1
Variable Interest Entity [Line Items]
Face Value at Closing									$ 618,433
OBX 2025-NQM2
Variable Interest Entity [Line Items]
Face Value at Closing								$ 719,218
OBX 2025-NQM3
Variable Interest Entity [Line Items]
Face Value at Closing								$ 577,442
OBX 2025-NQM4
Variable Interest Entity [Line Items]
Face Value at Closing							$ 625,807
OBX 2025-HE1
Variable Interest Entity [Line Items]
Face Value at Closing							216,455
OBX 2025-NQM5
Variable Interest Entity [Line Items]
Face Value at Closing							$ 334,879
OBX 2025-NQM6
Variable Interest Entity [Line Items]
Face Value at Closing						$ 553,236
OBX 2025-NQM7
Variable Interest Entity [Line Items]
Face Value at Closing						$ 572,441
OBX 2025-J1
Variable Interest Entity [Line Items]
Face Value at Closing					$ 325,702
OBX 2025-NQM8
Variable Interest Entity [Line Items]
Face Value at Closing					595,560
OBX 2025-NQM9
Variable Interest Entity [Line Items]
Face Value at Closing					$ 275,711
OBX 2025-NQM10
Variable Interest Entity [Line Items]
Face Value at Closing				$ 623,602
OBX 2025-NQM11
Variable Interest Entity [Line Items]
Face Value at Closing				$ 650,072
OBX 2025-NQM12
Variable Interest Entity [Line Items]
Face Value at Closing			$ 274,468
OBX 2025-NQM13
Variable Interest Entity [Line Items]
Face Value at Closing			$ 662,708
OBX 2025-NQM14
Variable Interest Entity [Line Items]
Face Value at Closing		$ 701,027
OBX 2025-NQM15
Variable Interest Entity [Line Items]
Face Value at Closing		697,303
OBX 2025-HE2
Variable Interest Entity [Line Items]
Face Value at Closing		$ 216,324
OBX 2025-J2
Variable Interest Entity [Line Items]
Face Value at Closing	$ 304,395
OBX 2025-NQM16
Variable Interest Entity [Line Items]
Face Value at Closing	708,473
OBX 2025-NQM17
Variable Interest Entity [Line Items]
Face Value at Closing	$ 298,662