Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENT - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis using Level 3 Inputs (Details)

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FAIR VALUE MEASUREMENT - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis using Level 3 Inputs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Dec. 31, 2017
Non-Agency      
Gains (losses) included in net income      
Included in gain (loss) on settlement of investments, net   $ (1,000)  
Excess MSRs Investees      
Purchases, sales and repayments      
New Residential’s ownership 50.00% 50.00% 50.00%
Recurring Basis      
Purchases, sales and repayments      
Mortgage backed securities, issued at fair value $ 117,500 $ 117,500  
Recurring Basis | Level 3      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   13,681,878  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   318,739  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   (18,113)  
Included in change in fair value of investments in excess mortgage servicing rights   (55,711)  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   5,624  
Included in servicing revenue, net   31,252  
Included in change in fair value of investments in mortgage servicing rights financing receivables   63,628  
Included in change in fair value of servicer advance investments   (86,581)  
Included in gain (loss) on settlement of investments, net   112,008  
Included in other income (loss), net   13,663  
Gains (losses) included in other comprehensive income   97,538  
Interest income   314,529  
Purchases, sales and repayments      
Purchases   6,269,598  
Proceeds from sales   (116,587)  
Proceeds from repayments   (2,696,057)  
Other   17,282  
New Ocwen Agreements   (2,823,412)  
Balance, ending 15,129,278 15,129,278  
Fair Value, Liabilities Measured on Recurring Basis, Gains (losses) included in net income [Abstract]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   211,734  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   (3,888)  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   (900)  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   (2,332)  
Other   0  
Ocwen Transaction   0  
Balance, ending 204,614 204,614  
Recurring Basis | Level 3 | Servicer Advances      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   4,027,379  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   0  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   (86,581)  
Included in gain (loss) on settlement of investments, net   72,585  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   43,122  
Purchases, sales and repayments      
Purchases   1,817,581  
Proceeds from sales    
Proceeds from repayments   (1,871,312)  
Other   0  
New Ocwen Agreements   (3,202,838)  
Balance, ending 799,936 799,936  
Recurring Basis | Level 3 | MSRs      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   1,735,504  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   286,600  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   31,252  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Purchases, sales and repayments      
Purchases   801,366  
Proceeds from sales   0  
Proceeds from repayments   0  
Other   17,282  
New Ocwen Agreements   0  
Balance, ending 2,872,004 2,872,004  
Recurring Basis | Level 3 | Mortgage Servicing Rights Financing Receivable      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   598,728  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   (135,288)  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   63,628  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Purchases, sales and repayments      
Purchases   138,993  
Proceeds from sales   (2,982)  
Proceeds from repayments   0  
Other   0  
New Ocwen Agreements   1,017,993  
Balance, ending 1,681,072 1,681,072  
Recurring Basis | Level 3 | Non-Agency      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   5,974,789  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   0  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   (18,113)  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   (994)  
Included in other income (loss), net   12,001  
Gains (losses) included in other comprehensive income   97,538  
Interest income   239,036  
Purchases, sales and repayments      
Purchases   3,475,138  
Proceeds from sales   (81,325)  
Proceeds from repayments   (721,676)  
Other   0  
New Ocwen Agreements   0  
Balance, ending 8,976,394 8,976,394  
Recurring Basis | Level 3 | Derivatives      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   10,604  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   (2,247)  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Purchases, sales and repayments      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   0  
Other   0  
New Ocwen Agreements   0  
Balance, ending 8,357 8,357  
Recurring Basis | Level 3 | Residential Mortgage Loans      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   156,823  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   (692)  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Purchases, sales and repayments      
Purchases   36,520  
Proceeds from sales   (19,900)  
Proceeds from repayments   (3,236)  
Other   0  
New Ocwen Agreements   0  
Balance, ending 169,515 169,515  
Recurring Basis | Level 3 | Excess Spread Financing      
Fair Value, Liabilities Measured on Recurring Basis, Gains (losses) included in net income [Abstract]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   48,262  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net (3,900) (3,888)  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   0  
Other   0  
Ocwen Transaction   0  
Balance, ending 44,374 44,374  
Recurring Basis | Level 3 | Mortgage-Backed Securities Issued      
Fair Value, Liabilities Measured on Recurring Basis, Gains (losses) included in net income [Abstract]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   120,702  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   (900)  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   (2,332)  
Other   0  
Ocwen Transaction   0  
Balance, ending 117,470 117,470  
Recurring Basis | Level 3 | Contingent Consideration      
Fair Value, Liabilities Measured on Recurring Basis, Gains (losses) included in net income [Abstract]      
Balance, beginning   0  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   42,770  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   0  
Other   0  
Ocwen Transaction   0  
Balance, ending 42,770 42,770  
Recurring Basis | Level 3 | MSRs Agency      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   324,636  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   0  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   (14,738)  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   4,401  
Gains (losses) included in other comprehensive income   0  
Interest income   16,954  
Purchases, sales and repayments      
Purchases   0  
Proceeds from sales   (12,380)  
Proceeds from repayments   (45,020)  
Other   0  
New Ocwen Agreements   0  
Balance, ending 273,853 273,853  
Recurring Basis | Level 3 | MSRs Agency | Excess MSRs Investees      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   171,765  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   0  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   0  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   5,624  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   0  
Included in other income (loss), net   0  
Gains (losses) included in other comprehensive income   0  
Interest income   0  
Purchases, sales and repayments      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   (22,450)  
Other   0  
New Ocwen Agreements   0  
Balance, ending 154,939 154,939  
Recurring Basis | Level 3 | MSRs Non-Agency      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   849,077  
Transfers from Level 3   0  
Transfers to Level 3   0  
Shellpoint Acquisition   0  
Gains (losses) included in net income      
Included in other-than-temporary impairment on securities   0  
Included in change in fair value of investments in excess mortgage servicing rights   (40,973)  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees   0  
Included in servicing revenue, net   0  
Included in change in fair value of investments in mortgage servicing rights financing receivables   0  
Included in change in fair value of servicer advance investments   0  
Included in gain (loss) on settlement of investments, net   40,417  
Included in other income (loss), net   200  
Gains (losses) included in other comprehensive income   0  
Interest income   15,417  
Purchases, sales and repayments      
Purchases   0  
Proceeds from sales   0  
Proceeds from repayments   (32,363)  
Other   0  
New Ocwen Agreements   (638,567)  
Balance, ending $ 193,208 $ 193,208