DEBT OBLIGATIONS - Schedule of Borrowing Capacity (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Residential mortgage loans, mortgage loans receivable, SFR and commercial notes receivable | Secured Financing Agreements
Debt Instrument [Line Items]
Borrowing Capacity	$ 5,282,943
Balance Outstanding	2,342,051
Available financing	2,940,892
Loan originations | Secured Financing Agreements
Debt Instrument [Line Items]
Borrowing Capacity	5,627,000
Balance Outstanding	2,903,472
Available financing	2,723,528
CLOs | Secured Financing Agreements
Debt Instrument [Line Items]
Borrowing Capacity	314,230
Balance Outstanding	191,655
Available financing	122,575
Excess MSRs | Secured Notes and Bonds Payable
Debt Instrument [Line Items]
Borrowing Capacity	197,016
Balance Outstanding	161,406
Available financing	35,610
MSRs | Secured Notes and Bonds Payable
Debt Instrument [Line Items]
Borrowing Capacity	5,983,998
Balance Outstanding	5,395,119
Available financing	588,879
Servicer advances | Secured Notes and Bonds Payable
Debt Instrument [Line Items]
Borrowing Capacity	4,210,000
Balance Outstanding	2,543,520
Available financing	1,666,480
SFR | Secured Notes and Bonds Payable
Debt Instrument [Line Items]
Borrowing Capacity	296,423
Balance Outstanding	192,606
Available financing	103,816
Consolidated funds | Liabilities of Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Capacity	52,500
Balance Outstanding	0
Available financing	52,500
Debt Excess Borrowing Capacity
Debt Instrument [Line Items]
Borrowing Capacity	21,964,110
Balance Outstanding	13,729,830
Available financing	$ 8,234,280