CUSTOMER CONCENTRATION - Schedule of Revenue from Ocwen (Details) - Ocwen - Revenue - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Concentration Risk [Line Items]
Concentration percentage (in percent)	43.00%	45.00%	43.00%	40.00%
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)	55.00%	56.00%	54.00%	52.00%
Origination | Operating Segments
Concentration Risk [Line Items]
Concentration percentage (in percent)	0.00%	0.00%	0.00%	0.00%