Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN REAL ESTATE AND OTHER SECURITIES - Summary of Real Estate Securities in an Unrealized Loss Position (Details)

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INVESTMENTS IN REAL ESTATE AND OTHER SECURITIES - Summary of Real Estate Securities in an Unrealized Loss Position (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
bond
security
Dec. 31, 2017
USD ($)
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 20,633,278  
Other Than Temporary Impairment - Amortized Cost Basis (46,165) $ (23,821)
Amortized Cost Basis $ 11,170,089  
Weighted Average Life (Years) 1 year 8 days  
Less than 12 Months    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 4,844,162  
Before Impairment - Amortized Cost Basis 3,096,895  
Other Than Temporary Impairment - Amortized Cost Basis (3,530)  
Amortized Cost Basis 3,093,365  
Gross Unrealized Losses - Less than Twelve Months (44,043)  
Carrying Value - Less than Twelve Months $ 3,049,322  
Number of Securities - Less than Twelve Months | security 224  
Weighted Average Rating BB+  
Weighted Average Coupon 3.44%  
Weighted Average Yield 4.58%  
Weighted Average Life (Years) 7 years 8 months 23 days  
Number of bonds which New Residential was unable to obtain rating information | bond 65  
12 or More Months    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 1,230,875  
Before Impairment - Amortized Cost Basis 457,146  
Other Than Temporary Impairment - Amortized Cost Basis (359)  
Amortized Cost Basis 456,787  
Gross Unrealized Losses - Twelve or More Months (25,700)  
Carrying Value - Twelve or More Months $ 431,087  
Number of Securities - Twelve or More Months | security 77  
Weighted Average Rating BB-  
Weighted Average Coupon 1.80%  
Weighted Average Yield 6.42%  
Weighted Average Life (Years) 5 years 11 months 19 days  
Number of bonds which New Residential was unable to obtain rating information | bond 14  
Total/Weighted Average    
Debt Securities, Available-for-sale [Line Items]    
Outstanding Face Amount $ 6,075,037  
Before Impairment - Amortized Cost Basis 3,554,041  
Other Than Temporary Impairment - Amortized Cost Basis (3,889)  
Amortized Cost Basis 3,550,152  
Gross Unrealized Losses - Total (69,743)  
Carrying Value - Total $ 3,480,409  
Number of Securities - Total | security 301  
Weighted Average Rating BB+  
Weighted Average Coupon 3.23%  
Weighted Average Yield 4.81%  
Weighted Average Life (Years) 7 years 6 months 1 day