Annual report pursuant to Section 13 and 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)
$ in Thousands
Dec. 31, 2019
USD ($)
Securities New Residential intends to sell  
Debt Securities, Available-for-sale [Line Items]  
Fair Value $ 0
Amortized Cost Basis After Impairment 0
Unrealized Credit Losses 0
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
Unrealized Credit Losses 0
Credit impaired securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 228,228
Amortized Cost Basis After Impairment 237,626
Unrealized Credit Losses (3,232)
Unrealized Non-Credit Losses (9,398)
Non-credit impaired securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 4,726,409
Amortized Cost Basis After Impairment 4,767,837
Unrealized Credit Losses 0
Unrealized Non-Credit Losses (41,428)
Total debt securities in an unrealized loss position  
Debt Securities, Available-for-sale [Line Items]  
Fair Value 4,954,637
Amortized Cost Basis After Impairment 5,005,463
Unrealized Credit Losses (3,232)
Unrealized Non-Credit Losses $ (50,826)