COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS (Details) $ in Thousands		3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($) agreement lease	Dec. 31, 2020 USD ($) agreement lease	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) agreement lease	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)
Concentration Risk
Revenue		$ 59,966	$ 88,795	$ 95,342	$ 121,444	$ 140,688	$ 141,493	$ 196,535	$ 169,935	$ 365,547	$ 648,651	$ 838,202
Right-to-use assets	$ 18,213	18,213				29,074				18,213	29,074		$ 42,100
Lease obligation liabilities	19,890	19,890								19,890			45,500
Lease obligation liabilities, current	$ 7,609	$ 7,609				$ 11,398				$ 7,609	$ 11,398		$ 16,700
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent				us-gaap:OtherLiabilitiesCurrent				us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent		us-gaap:OtherLiabilitiesCurrent
Lease obligation liabilities, noncurrent	$ 12,281	$ 12,281				$ 19,707				$ 12,281	$ 19,707		$ 28,800
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent				us-gaap:OtherLiabilitiesNoncurrent				us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent		us-gaap:OtherLiabilitiesNoncurrent
Reduction accrued rent and lease incentives, effect of adopting accounting standard													$ 3,400
Sublease income										$ 1,400	$ 1,700	1,600
Lease term, not commenced	5 years	5 years								5 years
Amounts held in escrow and trust accounts	$ 20,000	$ 20,000				$ 12,300				$ 20,000	12,300
Sales Tax Exposure
Concentration Risk
Loss (gain) related to sales tax exposure		$ (2,100)	$ (600)						$ 2,100	$ (2,700)	$ 300	$ 6,200
Ocwen | Customer Concentration Risk | Revenue
Concentration Risk
Percentage of revenue from largest customer										54.00%	56.00%	52.00%
Revenue										$ 197,800	$ 362,700	$ 437,400
Highly Correlated - Ocwen | Customer Concentration Risk | Revenue
Concentration Risk
Percentage of revenue from largest customer										7.00%
Revenue										$ 23,800	37,500	47,100
NRZ
Concentration Risk
Subservice transferred subject MSRs, initial term										5 years
NRZ | Customer Concentration Risk | Revenue
Concentration Risk
Percentage of loans serviced and subserviced by largest customer's largest client	36.00%
Revenue										$ 8,600	12,500	28,700
Ocwen, Investor | Mortgage Servicing Rights
Concentration Risk
Revenue										70,100	150,200	171,000
Ocwen, Investor | Default Valuations and Title Services
Concentration Risk
Revenue										$ 18,200	$ 33,200	$ 40,100
NRZ | Ocwen
Concentration Risk
Subservice transferred subject MSRs, initial term										5 years
NRZ | Ocwen | Customer Concentration Risk | Revenue
Concentration Risk
Percentage of revenue from largest customer										36.00%
Standby Letters of Credit
Concentration Risk
Standby letters of credit, number | agreement	3	3								3
Standby letters of credit, amount	$ 800	$ 800								$ 800
Number of office leases | lease	3	3								3
Minimum
Concentration Risk
Lease term			1 year
Maximum
Concentration Risk
Lease term			6 years