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 - Associated Intent to Sell (Details)

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INVESTMENTS IN REAL ESTATE AND OTHER SECURITIES - Summary of Real Estate Securities in an Unrealized Loss Position - Associated Intent to Sell (Details)
9 Months Ended
Sep. 30, 2019
USD ($)
Debt Securities, Available-for-sale [Line Items]  
Unrealized losses reflected in other comprehensive income $ 0
Securities New Residential intends to sell  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 0
Amortized Cost Basis After Impairment 0
Gross Unrealized Credit Losses 0
Gross Unrealized Non-Credit Losses 0
Securities New Residential is more likely than not to be required to sell  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 0
Amortized Cost Basis After Impairment 0
Gross Unrealized Credit Losses 0
Credit impaired securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 159,172,000
Amortized Cost Basis After Impairment 165,780,000
Gross Unrealized Credit Losses (5,567,000)
Gross Unrealized Non-Credit Losses (6,608,000)
Non-credit impaired securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 2,147,362,000
Amortized Cost Basis After Impairment 2,181,327,000
Gross Unrealized Credit Losses 0
Gross Unrealized Non-Credit Losses (33,965,000)
Total debt securities in an unrealized loss position  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 2,306,534,000
Amortized Cost Basis After Impairment 2,347,107,000
Gross Unrealized Credit Losses (5,567,000)
Gross Unrealized Non-Credit Losses $ (40,573,000)