SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($) property
Cash and Cash Equivalents [Line Items]
Restricted cash	[1]	$ 195,867	$ 135,619
Unpaid Principal Balance		$ 289,065	$ 51,575
Number of units in real estate property | property		2,551	257
Number of units in real estate property acquired during period | property		2,294	257
Property acquired, useful life		15 years
Government Guaranteed Mortgage Loans upon Foreclosure Receivable
Cash and Cash Equivalents [Line Items]
Unpaid Principal Balance		$ 9,600
Ginnie Mae
Cash and Cash Equivalents [Line Items]
Restricted cash		4,700	$ 4,700
Real Estate Securities
Cash and Cash Equivalents [Line Items]
Restricted cash		15,300	15,700
Single Family Rental Properties
Cash and Cash Equivalents [Line Items]
Restricted cash		2,500	100
MSRs
Cash and Cash Equivalents [Line Items]
Restricted cash		117,700	51,900
Mortgage Loans Receivable
Cash and Cash Equivalents [Line Items]
Restricted cash		300	0
Servicer Advance Investments
Cash and Cash Equivalents [Line Items]
Restricted cash		33,400	36,300
Consumer Loan
Cash and Cash Equivalents [Line Items]
Restricted cash		21,900	$ 27,000
Residential Mortgage Loans
Cash and Cash Equivalents [Line Items]
Unpaid principal balance		$ 97,900

[1] The Company's Consolidated Balance Sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations and liabilities of the VIE for which creditors do not have recourse to the primary beneficiary (New Residential). As of December 31, 2021, and December 31, 2020, total assets of consolidated VIEs were $2.8 billion and $2.7 billion, respectively, and total liabilities of consolidated VIEs were $2.1 billion and $2.1 billion, respectively. See Note 15 for further details.