DEBT OBLIGATIONS - Information on Outstanding Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt obligations, net	$ 2,130,204	$ 2,100,303
Secured debt obligations
Debt Instrument [Line Items]
Debt obligations, net	1,330,565	1,293,250
Secured debt obligations \| Term Notes
Debt Instrument [Line Items]
Debt obligations, net	545,444	544,899
Secured debt obligations \| Other secured financings
Debt Instrument [Line Items]
Debt obligations, net	83,938	87,953
Secured debt obligations \| Secured Credit Facilities
Debt Instrument [Line Items]
Debt obligations, net	701,183	660,398
Secured debt obligations \| MSR facilities
Debt Instrument [Line Items]
Debt obligations, net	553,960	503,556
Secured debt obligations \| Securities financing facilities
Debt Instrument [Line Items]
Debt obligations, net	76,112	79,215
Secured debt obligations \| Servicing advance facilities
Debt Instrument [Line Items]
Debt obligations, net	71,111	77,627
Unsecured debt obligations \| Senior Notes
Debt Instrument [Line Items]
Debt obligations, net	$ 799,639	$ 807,053

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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