CUSTOMER CONCENTRATION (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Concentration Risk
Revenue		$ 43,243,000	$ 88,795,000	$ 139,749,000	$ 305,581,000
Ocwen
Concentration Risk
FHA First Chance Auction Inventory Transitioned From Customer		2,100		$ 2,100
NRZ
Concentration Risk
Subservice transferred subject MSRs, initial term				5 years
Mortgage Servicing Rights | Ocwen, Investor
Concentration Risk
Revenue		100,000	14,100,000	$ 400,000	69,100,000
Other Default Related Services | Ocwen, Investor
Concentration Risk
Revenue		600,000	$ 3,900,000	2,500,000	$ 16,700,000
Customer Concentration Risk | Ocwen
Concentration Risk
Accounts receivable		4,500,000		4,500,000		$ 5,900,000
Customer Concentration Risk | Ocwen | Billed
Concentration Risk
Accounts receivable		4,200,000		4,200,000		5,100,000
Customer Concentration Risk | Ocwen | Unbilled
Concentration Risk
Accounts receivable		$ 300,000		$ 300,000		$ 800,000
Customer Concentration Risk | Ocwen | Revenue
Concentration Risk
Concentration percentage		31.00%	48.00%	32.00%	57.00%
Revenue		$ 13,600,000	$ 42,500,000	$ 44,700,000	$ 174,100,000
Customer Concentration Risk | Highly Correlated - Ocwen | Revenue
Concentration Risk
Concentration percentage		4.00%		5.00%
Revenue		$ 1,900,000	7,200,000	$ 7,400,000	19,900,000
Customer Concentration Risk | NRZ | Revenue
Concentration Risk
Revenue		700,000	2,500,000	2,400,000	7,100,000
Percentage of loans serviced and subserviced by largest customer's largest client	26.00%
Customer Concentration Risk | Highly Correlated - NRZ | Revenue
Concentration Risk
Revenue		$ 3,400,000	$ 10,200,000	$ 10,900,000	$ 29,300,000