INVESTMENT IN EQUITY SECURITIES	9 Months Ended
	Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract]
INVESTMENT IN EQUITY SECURITIES	INVESTMENT IN EQUITY SECURITIESDuring 2016, we purchased 4.1 million shares of RESI common stock. This investment is reflected in the accompanying condensed consolidated balance sheets at fair value and changes in fair value are included in other income (expense), net in the accompanying condensed consolidated statements of operations and comprehensive loss. As of September 30, 2021 and December 31, 2020, we held no shares of RESI common stock. During the three and nine months ended September 30, 2020, we recognized an unrealized gain (loss) from the change in fair value of $0.1 million and $(12.4) million, respectively (no comparative amount for the three and nine months ended September 30, 2021). During the nine months ended September 30, 2020, we earned dividends of $0.5 million related to this investment (no comparative amount for the three and nine months ended September 30, 2021 and for the third quarter of 2020).