FAIR VALUE MEASUREMENTS - Carrying Values and Fair Values of Financial Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Investments in:
Excess MSRs		$ 344,947		$ 410,855
MSRs and MSR financing receivables		6,858,803		4,585,841		$ 5,686,233
Real estate and other securities		9,396,539		14,244,558
Residential mortgage loans, held-for-sale, at fair value		11,214,924		4,705,816
Residential mortgage loans subject to repurchase		1,787,314	[1]	1,452,005	[1]	172,336
Derivative assets		138,173		290,144
Note receivable		290,180		52,389
Restricted cash	[2]	195,867		135,619
Liabilities:
Residential mortgage loan repurchase liability		12,530		26,748
Derivative liabilities		34,583		119,762
Excess spread financing, at fair value		0		18,420
Recurring Basis
Investments in:
Excess MSRs, principal balance		80,461,630		72,688,905
Excess MSRs, equity method investees, principal balance				28,453,512
MSRs and MSR financing receivables, principal balance		548,613,089		435,435,827
Servicer advance investments, principal balance		369,440		449,150
Real estate and other securities, principal balance		24,314,300		31,869,681
Residential mortgage loans, held-for-sale, principal balance		144,967		637,138
Residential mortgage loans, held for sale, at fair value, principal balance		10,955,534		4,675,833
Residential mortgage loans, held-for-investment, at fair value, principal balance		623,937		769,348
Residential mortgage loans subject to repurchase, principal balance		1,787,314		1,452,005
Consumer loans, principal balance		449,875		620,983
Derivative assets, principal balance		47,080,263		38,427,601
Mortgage loans receivable, principal balance		1,473,894
Notes receivable, principal balance		60,373		51,575
Loans receivable, principal balance		228,692
Cash and cash equivalents		1,332,575		944,854
Restricted cash		195,867		135,619
Liabilities:
Secured financing agreements, principal balance		20,596,842		17,552,126
Secured notes and bonds payable, principal balance		8,676,644		7,667,239
Unsecured senior notes, net of issuance costs, principal balance		543,293		541,516
Residential mortgage loan repurchase liability, principal balance		1,787,314		1,452,005
Derivative liabilities, principal balance		1,275,793		6,648,152
Excess spread financing, principal balance				2,190,991
Recurring Basis | Level 3
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		516,058		1,695,519		$ 746,737
Recurring Basis | Level 3 | Asset Backed Securities Issued
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		511,100		1,700,000
Recurring Basis | Carrying Value
Investments in:
Excess MSRs		344,947		310,938
Excess MSRs, equity method investees				99,917
MSRs and MSR financing receivables		6,858,803		4,585,841
Servicer advance investments		421,807		538,056
Real estate and other securities		9,396,539		14,244,558
Residential mortgage loans, held-for-sale		132,921		509,887
Residential mortgage loans, held-for-sale, at fair value		11,214,924		4,705,816
Residential mortgage loans, held-for-investment, at fair value		569,933		674,179
Residential mortgage loans subject to repurchase		1,787,314		1,452,005
Consumer loans		507,291		685,575
Derivative assets		138,173		290,144
Mortgage loans receivable		1,515,762
Note receivable		60,549		52,389
Loans receivable		229,631
Cash and cash equivalents		1,332,575		944,854
Restricted cash		195,867		135,619
Other assets		39,229		48,032
Assets, fair value		34,746,265		29,277,810
Liabilities:
Secured financing agreements		20,592,884		17,547,680
Secured notes and bonds payable		8,644,810		7,644,195
Unsecured senior notes, net of issuance costs		543,293		541,516
Residential mortgage loan repurchase liability		1,787,314		1,452,005
Derivative liabilities		34,583		119,762
Excess spread financing, at fair value				18,420
Contingent consideration		4,951		14,247
Liabilities, fair value		31,607,835		27,337,825
Recurring Basis | Fair Value
Investments in:
Excess MSRs		344,947		310,938
Excess MSRs, equity method investees				99,917
MSRs and MSR financing receivables		6,858,803		4,585,841
Servicer advance investments		421,807		538,056
Real estate and other securities		9,396,539		14,244,558
Residential mortgage loans, held-for-sale		134,655		509,887
Residential mortgage loans, held-for-sale, at fair value		11,214,924		4,705,816
Residential mortgage loans, held-for-investment, at fair value		569,933		674,179
Residential mortgage loans subject to repurchase		1,787,314		1,452,005
Consumer loans		507,291		685,575
Derivative assets		138,173		290,144
Mortgage loans receivable		1,515,762
Note receivable		60,549		49,889
Loans receivable		229,631
Cash and cash equivalents		1,332,575		944,854
Restricted cash		195,867		135,619
Other assets		39,229		48,032
Assets, fair value		34,747,999		29,275,310
Liabilities:
Secured financing agreements		20,596,842		17,552,126
Secured notes and bonds payable		8,662,463		7,651,325
Unsecured senior notes, net of issuance costs		553,581		541,516
Residential mortgage loan repurchase liability		1,787,314		1,452,005
Derivative liabilities		34,583		119,762
Excess spread financing, at fair value				18,420
Contingent consideration		4,951		14,247
Liabilities, fair value		31,639,734		27,349,401
Recurring Basis | Fair Value | Level 1
Investments in:
Excess MSRs		0		0
Excess MSRs, equity method investees				0
MSRs and MSR financing receivables		0		0
Servicer advance investments		0		0
Real estate and other securities		0		0
Residential mortgage loans, held-for-sale		0		0
Residential mortgage loans, held-for-sale, at fair value		0		0
Residential mortgage loans, held-for-investment, at fair value		0		0
Residential mortgage loans subject to repurchase		0		0
Consumer loans		0		0
Derivative assets		0		0
Mortgage loans receivable		0
Note receivable		0		0
Loans receivable		0
Cash and cash equivalents		1,332,575		944,854
Restricted cash		195,867		135,619
Other assets		3,134		11,187
Assets, fair value		1,531,576		1,091,660
Liabilities:
Secured financing agreements		0		0
Secured notes and bonds payable		0		0
Unsecured senior notes, net of issuance costs		0		0
Residential mortgage loan repurchase liability		0		0
Derivative liabilities		0		0
Excess spread financing, at fair value				0
Contingent consideration		0		0
Liabilities, fair value		0		0
Recurring Basis | Fair Value | Level 2
Investments in:
Excess MSRs		0		0
Excess MSRs, equity method investees				0
MSRs and MSR financing receivables		0		0
Servicer advance investments		0		0
Real estate and other securities		8,444,597		13,063,634
Residential mortgage loans, held-for-sale		0		0
Residential mortgage loans, held-for-sale, at fair value		9,361,520		3,059,611
Residential mortgage loans, held-for-investment, at fair value		0		0
Residential mortgage loans subject to repurchase		1,787,314		1,452,005
Consumer loans		0		0
Derivative assets		23,302		789
Mortgage loans receivable		0
Note receivable		0		0
Loans receivable		0
Cash and cash equivalents		0		0
Restricted cash		0		0
Other assets		0		0
Assets, fair value		19,616,733		17,576,039
Liabilities:
Secured financing agreements		20,596,842		17,552,126
Secured notes and bonds payable		0		0
Unsecured senior notes, net of issuance costs		0		0
Residential mortgage loan repurchase liability		1,787,314		1,452,005
Derivative liabilities		31,490		119,481
Excess spread financing, at fair value				0
Contingent consideration		0		0
Liabilities, fair value		22,415,646		19,123,612
Recurring Basis | Fair Value | Level 3
Investments in:
Excess MSRs		344,947		310,938
Excess MSRs, equity method investees				99,917
MSRs and MSR financing receivables		6,858,803		4,585,841
Servicer advance investments		421,807		538,056
Real estate and other securities		951,942		1,180,924
Residential mortgage loans, held-for-sale		134,655		509,887
Residential mortgage loans, held-for-sale, at fair value		1,853,404		1,646,205
Residential mortgage loans, held-for-investment, at fair value		569,933		674,179
Residential mortgage loans subject to repurchase		0		0
Consumer loans		507,291		685,575
Derivative assets		114,871		289,355
Mortgage loans receivable		1,515,762
Note receivable		60,549		49,889
Loans receivable		229,631
Cash and cash equivalents		0		0
Restricted cash		0		0
Other assets		36,095		36,845
Assets, fair value		13,599,690		10,607,611
Liabilities:
Secured financing agreements		0		0
Secured notes and bonds payable		8,662,463		7,651,325
Unsecured senior notes, net of issuance costs		553,581		541,516
Residential mortgage loan repurchase liability		0		0
Derivative liabilities		3,093		281
Excess spread financing, at fair value				18,420
Contingent consideration		4,951		14,247
Liabilities, fair value		9,224,088		8,225,789
Recurring Basis | Fair Value | Fair Value Measured at Net Asset Value Per Share
Investments in:
Other assets		$ 28,700		$ 31,800

[1] See Note 6 for details.

[2] 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.