CUSTOMER CONCENTRATION - Schedule of Revenue from Ocwen (Details) - Ocwen - Revenue - Customer Concentration Risk	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Concentration Risk [Line Items]
Concentration percentage (in percent)	45.00%	35.00%
Corporate and Others
Concentration Risk [Line Items]
Concentration percentage (in percent)	0.00%	0.00%
Servicer and Real Estate \| Operating Segments
Concentration Risk [Line Items]
Concentration percentage (in percent)	55.00%	48.00%
Origination \| Operating Segments
Concentration Risk [Line Items]
Concentration percentage (in percent)	0.00%	0.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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