SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Assets
Margin receivable, net		$ 358,041	$ 271,753
Servicing fee receivables		117,935	137,426
Due from servicers		34,771	67,854
Principal and interest receivable		85,084	41,589
Equity investments		81,052	55,504
Other receivables		188,298	109,111
REO		21,641	45,299
SFR properties		579,607	41,271	$ 24,133
Goodwill		85,199	29,468	$ 29,468
Notes receivable, at fair value		60,549	52,389
Warrants, at fair value		27,354	23,218
Recovery asset		19,251	13,006
Property and equipment		56,617	26,999
Receivable from government agency		10,273	14,369
Intangible assets		143,133	34,125
Prepaid expenses		$ 115,110	$ 30,949
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Total other assets	Total other assets
Operating lease right-of-use assets (Note 17)		$ 117,131	$ 26,913
Derivative assets (Note 12)		138,173	290,144
Ocwen common stock, at fair value		2,559	11,187
Loans receivable, at fair value		229,631	0
Credit facilities receivable		41,351	0
Loans in process and settlements in process		11,681	0
Other assets		83,918	35,848
Total other assets	[1]	2,608,359	1,358,422
Accrued Expenses and Other Liabilities
Margin payable		9,821	0
MSRs purchase price holdback		14,985	25,121
Interest payable		30,931	44,623
Accounts payable		298,901	87,406
Derivative liabilities (Note 12)		34,583	119,762
Due to servicers		47,000	59,671
Due to agencies		12,530	26,748
Contingent consideration		4,951	14,247
Accrued compensation and benefits		201,057	67,025
Excess spread financing, at fair value		$ 0	$ 18,420
Operating Lease, Liability, Statement of Financial Position [Extensible List]		Total accrued expenses and other liabilities	Total accrued expenses and other liabilities
Operating lease liabilities (Note 17)		$ 142,620	$ 31,270
Reserve for sales recourse		36,476	9,799
Reserve for servicing losses		19,857	9,288
Deferred tax liability		440,690	7,859
Other liabilities		64,366	16,063
Total accrued expenses and other liabilities	[1]	$ 1,358,768	$ 537,302

[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.