CUSTOMER CONCENTRATION - Schedule of Revenue from Ocwen (Details) - Ocwen - Revenue - Customer Concentration Risk	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Concentration Risk [Line Items]
Concentration percentage (in percent)	40.00%	40.00%	42.00%	37.00%
Corporate and Others
Concentration Risk [Line Items]
Concentration percentage (in percent)	0.00%	0.00%	0.00%	0.00%
Servicer and Real Estate | Operating Segments
Concentration Risk [Line Items]
Concentration percentage (in percent)	52.00%	51.00%	54.00%	49.00%
Origination | Operating Segments
Concentration Risk [Line Items]
Concentration percentage (in percent)	0.00%	0.00%	0.00%	0.00%