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CUSTOMER CONCENTRATION - Schedule of Revenue from Onity (Details) - Onity Financial Corporation - Revenue - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Concentration Risk [Line Items]
Consolidated revenue (in percent)	42.00%	43.00%	43.00%	44.00%
Operating Segments | Servicer and Real Estate
Concentration Risk [Line Items]
Consolidated revenue (in percent)	53.00%	54.00%	54.00%	55.00%
Operating Segments | Origination
Concentration Risk [Line Items]
Consolidated revenue (in percent)	0.00%	0.00%	0.00%	0.00%
Corporate and Others
Concentration Risk [Line Items]
Consolidated revenue (in percent)	0.00%	0.00%	0.00%	0.00%

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