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
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
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-Section 50
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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
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SERVICER ADVANCE INVESTMENTS - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Aug. 31, 2017	Dec. 31, 2017	Dec. 31, 2014
Advance Purchaser LLC
Investment [Line Items]
Percentage acquired	27.00%
Contributions to equity method investees	$ 65.9
Capital distributed to third-party co-investors		$ 309.1
Capital distributed to New Residential		$ 254.8
Nationstar
Investment [Line Items]
Servicer basic fee, percent		9.30%
Performance fee, percent (up to)		100.00%
SLS
Investment [Line Items]
Servicing asset fee, basis points			0.1075%
SLS \| Excess MSRs
Investment [Line Items]
Percentage of Excess MSRs acquired			50.00%
Fortress-managed funds \| Excess MSRs
Investment [Line Items]
Percentage of additional Excess MSRs acquired			50.00%
Ocwen Loan Servicing LLC
Investment [Line Items]
Servicing asset fee, basis points		0.061%
Servicing asset fee, percent		12.00%
Ocwen Loan Servicing LLC \| LIBOR
Investment [Line Items]
Variable interest rate spread		2.75%
Corporate Joint Venture
Investment [Line Items]
New Residential’s ownership		72.80%
Funded capital commitments		$ 312.7
Corporate Joint Venture \| Noncontrolling Third-party Investors
Investment [Line Items]
Funded capital commitments		$ 389.6