Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN REAL ESTATE AND OTHER SECURITIES - Summary of Real Estate Securities (Details)

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INVESTMENTS IN REAL ESTATE AND OTHER SECURITIES - Summary of Real Estate Securities (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
security
bond
Dec. 31, 2017
USD ($)
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 20,633,278  
Amortized Cost Basis 11,170,089  
Carrying Value $ 11,650,257 $ 8,071,140
Weighted Average Life (Years) 1 year 8 days  
Investments $ 22,333,655  
Bonds    
Debt Securities, Available-for-sale [Line Items]    
Carrying Value $ 431,400  
Number of bonds which New Residential was unable to obtain rating information | bond 221  
Residual Bonds    
Debt Securities, Available-for-sale [Line Items]    
Investments $ 220,000  
Non-Agency Bonds    
Debt Securities, Available-for-sale [Line Items]    
Investments 0  
Treasury    
Debt Securities, Available-for-sale [Line Items]    
Face 0  
Purchase Price 0  
Face 862,000  
Amortized Cost 858,000  
Sale Price 849,800  
Gain (Loss) on Sale (8,200)  
Outstanding Face Amount 0  
Amortized Cost Basis 0  
Gross Unrealized Gains 0  
Gross Unrealized Losses 0  
Carrying Value $ 0 852,734
Number of Securities | security 0  
Weighted Average Rating N/A  
Weighted Average Coupon 0.00%  
Weighted Average Yield 0.00%  
Weighted Average Life (Years) 0 years  
Agency RMBS    
Debt Securities, Available-for-sale [Line Items]    
Face $ 7,153,600  
Purchase Price 7,226,400  
Face 5,626,700  
Amortized Cost 5,710,400  
Sale Price 5,652,100  
Gain (Loss) on Sale (58,300)  
Outstanding Face Amount 2,653,034  
Amortized Cost Basis 2,678,375  
Gross Unrealized Gains 705  
Gross Unrealized Losses (5,217)  
Carrying Value $ 2,673,863 1,243,617
Number of Securities | security 31  
Weighted Average Rating AAA  
Weighted Average Coupon 3.95%  
Weighted Average Yield 3.82%  
Weighted Average Life (Years) 9 years 9 months 29 days  
Agency RMBS | Fixed Rate Securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 2,700,000  
Agency RMBS | Floating Rate Securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount 0  
Non-Agency    
Debt Securities, Available-for-sale [Line Items]    
Face 6,866,900  
Purchase Price 3,475,100  
Face 105,100  
Amortized Cost 82,300  
Sale Price 81,300  
Gain (Loss) on Sale (1,000)  
Outstanding Face Amount 17,980,244  
Amortized Cost Basis 8,491,714  
Gross Unrealized Gains 549,206  
Gross Unrealized Losses (64,526)  
Carrying Value $ 8,976,394 5,974,789
Number of Securities | security 858  
Weighted Average Rating B  
Weighted Average Coupon 3.22%  
Weighted Average Yield 5.50%  
Weighted Average Life (Years) 7 years 1 month 13 days  
Weighted Average Principal Subordination 12.40%  
Non-Agency | Fixed Rate Securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 3,700,000  
Residual and interest - only notional amount 1,400,000  
Non-Agency | Floating Rate Securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount 14,300,000  
Residual and interest - only notional amount 5,900,000  
Investments in Real Estate Securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount 20,633,278  
Amortized Cost Basis 11,170,089  
Gross Unrealized Gains 549,911  
Gross Unrealized Losses (69,743)  
Carrying Value $ 11,650,257 $ 8,071,140
Number of Securities | security 889.000  
Weighted Average Rating BB+  
Weighted Average Coupon 3.39%  
Weighted Average Yield 5.09%  
Weighted Average Life (Years) 7 years 9 months 7 days  
Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 85,000  
Amortized Cost Basis 85,000  
Gross Unrealized Gains 0  
Gross Unrealized Losses (2,550)  
Carrying Value $ 82,450  
Number of Securities | security 1  
Weighted Average Rating B-  
Weighted Average Coupon 8.25%  
Weighted Average Yield 8.25%  
Weighted Average Life (Years) 6 years 6 months 16 days  
Consumer loan bonds    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 62,241  
Amortized Cost Basis 61,687  
Gross Unrealized Gains 208  
Gross Unrealized Losses (6,022)  
Carrying Value $ 55,869  
Number of Securities | security 6  
Weighted Average Rating B  
Weighted Average Yield 18.94%  
Weighted Average Life (Years) 1 year 6 months 27 days  
MSR bonds    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 228,000  
Amortized Cost Basis 228,000  
Gross Unrealized Gains 1,734  
Gross Unrealized Losses 0  
Carrying Value $ 229,734  
Number of Securities | security 2  
Weighted Average Rating BBB-  
Weighted Average Coupon 4.95%  
Weighted Average Yield 4.86%  
Weighted Average Life (Years) 8 years 10 months 4 days  
Interest-only securities    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 5,279,031  
Amortized Cost Basis 231,257  
Gross Unrealized Gains 21,605  
Gross Unrealized Losses (9,388)  
Carrying Value $ 243,478  
Number of Securities | security 66  
Weighted Average Rating AA+  
Weighted Average Coupon 1.48%  
Weighted Average Yield 4.88%  
Weighted Average Life (Years) 3 years 7 days  
Servicing Strips    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 996,167  
Amortized Cost Basis 8,662  
Gross Unrealized Gains 1,908  
Gross Unrealized Losses (216)  
Carrying Value $ 10,354  
Number of Securities | security 28  
Weighted Average Rating N/A  
Weighted Average Coupon 0.21%  
Weighted Average Yield 13.83%  
Weighted Average Life (Years) 6 years 9 days