FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 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	63.00%	56.00%	54.00%	53.00%
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)	3.5		3.5		4.1