Line items represent reporting concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

+ Details

Name:	invest_InvestmentLineItems
Namespace Prefix:	invest_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Assets That Continue To Be Recognized, Securitized Or Asset-Backed Financing Arrangement Assets, Retained Interest

+ References

No definition available.

+ Details

Name:	nrz_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsRetainedInterest
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Investment Owned, Amortized Cost Basis

+ References

No definition available.

+ Details

Name:	nrz_InvestmentOwnedAmortizedCostBasis
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans Held for Sale, Acquired During Period, Purchase Price

+ References

No definition available.

+ Details

Name:	nrz_LoansHeldforSaleAcquiredDuringPeriodPurchasePrice
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Mortgage Loans On Real Estate, Number Of Trusts Called

+ References

No definition available.

+ Details

Name:	nrz_MortgageLoansOnRealEstateNumberOfTrustsCalled
Namespace Prefix:	nrz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Real Estate Owned, Purchase Price

+ References

No definition available.

+ Details

Name:	nrz_RealEstateOwnedPurchasePrice
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The unpaid principal balance of underlying loans.

+ References

No definition available.

+ Details

Name:	nrz_UnpaidPrincipalBalanceofUnderlyingLoans
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Unpaid Principal Balance of Underlying Loans, Previously Acquired

+ References

No definition available.

+ Details

Name:	nrz_UnpaidPrincipalBalanceofUnderlyingLoansPreviouslyAcquired
Namespace Prefix:	nrz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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

- Definition

Nominal or face amount on the investment owned.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 10
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6431724&loc=d3e32938-113948

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 20
-Section 10
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6438156&loc=d3e57880-113973

+ Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SecuritiesFinancingTransactionAxis=nrz_SecuritiesOwnedPriorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SecuritiesFinancingTransactionAxis=nrz_InvestmentsAcquiredMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SecuritiesFinancingTransactionAxis=nrz_InvestmentsSoldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SecuritiesFinancingTransactionAxis=nrz_BondsRetainedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SecuritiesFinancingTransactionAxis=nrz_InvestmentsRetainedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	nrz_CallRightAxis=nrz_CallRightBatch1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	nrz_CallRightAxis=nrz_CallRightBatch2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Schedule of Residential Mortgage Loan Transactions (Details) - Residential Mortgage Loans [Member] $ in Millions	1 Months Ended
	Jun. 30, 2017 USD ($) trust	May 31, 2017 USD ($) trust	Apr. 30, 2017 USD ($) trust	Feb. 28, 2017 USD ($) trust	Mar. 31, 2017 USD ($) trust	Jan. 31, 2017 USD ($) trust
Investment [Line Items]
Number of Trusts Called \| trust		15		31	12	2
Securities Owned Prior [Member]
Investment [Line Items]
Face Amount		$ 26.4		$ 60.9	$ 0.0	$ 49.3
Amortized Cost Basis		16.9		40.1	0.0	43.6
Assets Acquired [Member]
Investment [Line Items]
Unpaid Principal Balance		420.5		882.0	222.4	98.8
Loan Price		424.4		895.5	228.8	96.7
REO & Other Price		3.7		10.1	0.4	$ 7.5
Loans Sold [Member]
Investment [Line Items]
Unpaid Principal Balance		716.0		773.8
Gain (Loss)		5.7		2.1
Bonds Retained [Member]
Investment [Line Items]
Basis		68.4		81.9
Retained Assets [Member]
Investment [Line Items]
Unpaid Principal Balance		47.6		105.9	27.7
Loan Price		40.5		90.1	25.7
REO & Other Price		$ 3.7		$ 10.8	$ 0.4
Call Right, Batch 1 [Member]
Investment [Line Items]
Number of Trusts Called \| trust	20		0
Call Right, Batch 1 [Member] \| Securities Owned Prior [Member]
Investment [Line Items]
Face Amount	$ 1.0		$ 0.0
Amortized Cost Basis	0.5		0.0
Call Right, Batch 1 [Member] \| Assets Acquired [Member]
Investment [Line Items]
Unpaid Principal Balance	534.8		0.0
Loan Price	549.8		0.0
REO & Other Price	0.8		0.0
Call Right, Batch 1 [Member] \| Loans Sold [Member]
Investment [Line Items]
Unpaid Principal Balance	497.6		668.0
Gain (Loss)	10.3		10.3
Previously acquired UPB	31.1
Call Right, Batch 1 [Member] \| Bonds Retained [Member]
Investment [Line Items]
Basis	58.4		76.1
Call Right, Batch 1 [Member] \| Retained Assets [Member]
Investment [Line Items]
Unpaid Principal Balance	34.9		0.0
Loan Price	40.4		0.0
REO & Other Price	$ 0.8		$ 0.0
Call Right, Batch 2 [Member]
Investment [Line Items]
Number of Trusts Called \| trust	3		14
Call Right, Batch 2 [Member] \| Securities Owned Prior [Member]
Investment [Line Items]
Face Amount	$ 28.2		$ 9.8
Amortized Cost Basis	17.3		6.3
Call Right, Batch 2 [Member] \| Assets Acquired [Member]
Investment [Line Items]
Unpaid Principal Balance	101.7		376.9
Loan Price	106.6		378.8
REO & Other Price	$ 1.9		5.9
Call Right, Batch 2 [Member] \| Retained Assets [Member]
Investment [Line Items]
Unpaid Principal Balance			62.5
Loan Price			55.7
REO & Other Price			$ 5.9