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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Certain Information Regarding the Inputs used in Valuing the Servicer Advances (Details)
 12 Months Ended
Dec. 31, 2014
Fair Value Inputs, Equity, Quantitative Information [Line Items]  
Prepayment Speed 12.20%us-gaap_FairValueInputsPrepaymentRate [1],[2]
Delinquency 6.30%us-gaap_FairValueInputsProbabilityOfDefault [2],[3]
Mortgage Servicing Amount (bps) 17.47nrz_Excessmortgageservicingamount [2],[4]
Servicer Advances [Member]  
Fair Value Inputs, Equity, Quantitative Information [Line Items]  
Outstanding Servicer Advances to UPB of Underlying Residential Mortgage Loans 2.10%nrz_ServicerAdvancesToUpb
/ us-gaap_FairValueByAssetClassAxis
= nrz_ServicerAdvancesFairValueMember
Prepayment Speed 12.60%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= nrz_ServicerAdvancesFairValueMember
Delinquency 15.60%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByAssetClassAxis
= nrz_ServicerAdvancesFairValueMember
Mortgage Servicing Amount (bps) 19.40nrz_Excessmortgageservicingamount
/ us-gaap_FairValueByAssetClassAxis
= nrz_ServicerAdvancesFairValueMember		 [5]
Discount Rate 5.40%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= nrz_ServicerAdvancesFairValueMember
[1] Projected annualized weighted average lifetime voluntary and involuntary prepayment rate using a prepayment vector.
[2] Weighted by amortized cost basis of the mortgage loan portfolio.
[3] Projected percentage of mortgage loans in the pool that will miss their mortgage payments.
[4] Weighted average total mortgage servicing amount in excess of the basic fee.
[5] Mortgage servicing amount excludes the amounts New Residential pays Nationstar and SLS as a monthly servicing fee.