RESIDENTIAL MORTGAGE LOANS - Carrying Value of Mortgage Loans (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	$ 3,398,298
Transfer of loans from held-for-investment	30,556
Balance, ending	3,092,667
Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	3,850,817
Originations	16,973,737
Sales	(17,331,809)
Purchases/additional fundings	116,564
Proceeds from repayments	(124,123)
Transfer of loans to other assets	2,528
Transfer of loans to real estate owned	(6,934)
Transfers of loans to held-for-sale	(30,556)
Valuation (provision) reversal on loans	(2,067)
Changes in instrument-specific credit risk	9,786
Other factors	4,374
Balance, ending	3,492,873
Loans Held-for-Investment, at Fair Value \| Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	452,519
Originations	0
Sales	0
Purchases/additional fundings	1,269
Proceeds from repayments	(25,563)
Transfer of loans to other assets	0
Transfer of loans to real estate owned	(3,685)
Transfers of loans to held-for-sale	(30,556)
Transfer of loans from held-for-investment	0
Valuation (provision) reversal on loans	0
Changes in instrument-specific credit risk	3,469
Other factors	2,753
Balance, ending	400,206
Residential Mortgage Loans, Held-for-Sale \| Loans held-for-sale, at lower of cost or fair value \| Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	101,027
Originations	0
Sales	(6,946)
Purchases/additional fundings	0
Proceeds from repayments	(5,932)
Transfer of loans to other assets	0
Transfer of loans to real estate owned	(2,137)
Transfers of loans to held-for-sale	0
Transfer of loans from held-for-investment	0
Valuation (provision) reversal on loans	(2,067)
Changes in instrument-specific credit risk	0
Other factors	0
Balance, ending	83,945
Residential Mortgage Loans, Held-for-Sale \| Loans Held-for-Sale, at Fair Value \| Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	3,297,271
Originations	16,973,737
Sales	(17,324,863)
Purchases/additional fundings	115,295
Proceeds from repayments	(92,628)
Transfer of loans to other assets	2,528
Transfer of loans to real estate owned	(1,112)
Transfers of loans to held-for-sale	0
Transfer of loans from held-for-investment	30,556
Valuation (provision) reversal on loans	0
Changes in instrument-specific credit risk	6,317
Other factors	1,621
Balance, ending	$ 3,008,722

Investment In Mortgage Loans On Real Estate, Originations

No definition available.

Name:	ritm_InvestmentInMortgageLoansOnRealEstateOriginations
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Mortgage Loans on Real Estate, Fair Value Adjustment, Credit Risk Evaluation

+ References

No definition available.

+ Details

Name:	ritm_MortgageLoansOnRealEstateFairValueAdjustmentCreditRiskEvaluation
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Mortgage Loans on Real Estate, Fair Value Adjustment, Other

+ References

No definition available.

+ Details

Name:	ritm_MortgageLoansOnRealEstateFairValueAdjustmentOther
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Mortgage Loans On Real Estate, Transfer Of Loans To Other Assets

+ References

No definition available.

+ Details

Name:	ritm_MortgageLoansOnRealEstateTransferOfLoansToOtherAssets
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Mortgage Loans On Real Estate, Transfer To Loans Held-For-Sale

+ References

No definition available.

+ Details

Name:	ritm_MortgageLoansOnRealEstateTransferToLoansHeldForSale
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Residential Mortgage Loans, Held-For-Sale

+ References

No definition available.

+ Details

Name:	ritm_ResidentialMortgageLoansHeldForSale
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Transfer Of Loans From Held-For-Investment

+ References

No definition available.

+ Details

Name:	ritm_TransferOfLoansFromHeldForInvestment
Namespace Prefix:	ritm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from collection of principal.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Footnote 6
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

Name:	srt_MortgageLoansOnRealEstateCollectionsOfPrincipal
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

Name:	us-gaap_MortgageLoansOnRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

Name:	us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

Name:	us-gaap_MortgageLoansOnRealEstateNewMortgageLoans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_MovementInMortgageLoansOnRealEstateRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

+ Details

Name:	us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-5

+ Details

Name:	us-gaap_TransferToOtherRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=ritm_ResidentialMortgageLoansHeldForInvestmentAtFairValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=ritm_ResidentialMortgageLoansHeldforSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=ritm_AcquiredLoansHeldForSaleAtLowerCostOrFairValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=ritm_AcquiredLoansHeldForSaleAtFairValueAndSFRPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: