FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Revenue | Customer Concentration Risk | Ocwen
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Percentage of revenue from largest customer	44.00%	50.00%	51.00%	51.00%
Revenue | Minimum | Customer Concentration Risk | Ocwen
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Percentage of revenue from largest customer			50.00%
Discontinued Operations, Disposed of by Sale | Rental Property Management Business
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Future proceeds from the sale of business, second installment			$ 3.0
RESI
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Number of securities outstanding (in shares)	3.6		3.6		4.1