Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
FAIR VALUE MEASUREMENT - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis using Level 3 Inputs (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Non-Agency RMBS [Member]    
Gains (losses) included in net income    
Included in gain (loss) on settlement of investments, net $ 18,500  
Excess MSRs Investees [Member]    
Purchases, sales and repayments    
New Residential’s ownership 50.00% 50.00%
Recurring Basis [Member] | Level 3 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning $ 11,503,879  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') on securities (7,227)  
Included in change in fair value of investments in excess mortgage servicing rights (18,359)  
Included in change in fair value of investments in excess mortgage servicing rights, equity method investees 4,002  
Included in servicing revenue, net (1,618)  
Included in change in fair value of investments in mortgage servicing rights financing receivable 5,596  
Included in change in fair value of investments in servicer advances 59,528  
Included in gain (loss) on settlement of investments, net 18,448  
Included in other income 1,493  
Gains (losses) included in other comprehensive income, net of tax 190,041  
Interest income 521,546  
Purchases, sales and repayments    
Purchases 9,684,501  
Proceeds from sales (154,429)  
Proceeds from repayments (8,129,465)  
Balance, ending 13,677,936  
Recurring Basis [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 659,483  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') 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 (1,618)  
Included in change in fair value of investments in mortgage servicing rights financing receivable 0  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 0  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 0  
Purchases, sales and repayments    
Purchases 1,091,478  
Proceeds from sales 0  
Proceeds from repayments 0  
Balance, ending 1,749,343  
Recurring Basis [Member] | Level 3 [Member] | Mortgage Servicing Rights Financing Receivable [Member]    
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  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') 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 receivable 5,596  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 0  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 0  
Purchases, sales and repayments    
Purchases 112,887  
Proceeds from sales 0  
Proceeds from repayments 0  
Balance, ending 118,483  
Recurring Basis [Member] | Level 3 [Member] | Non-Agency RMBS [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 3,543,560  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') on securities (7,227)  
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 receivable 0  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 18,448  
Included in other income 151  
Gains (losses) included in other comprehensive income, net of tax 190,041  
Interest income 155,488  
Purchases, sales and repayments    
Purchases 2,138,275  
Proceeds from sales (154,429)  
Proceeds from repayments (397,227)  
Balance, ending 5,487,080  
Recurring Basis [Member] | Level 3 [Member] | Servicer Advances [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 5,706,593  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') 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 receivable 0  
Included in change in fair value of investments in servicer advances 59,528  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 0  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 316,512  
Purchases, sales and repayments    
Purchases 6,341,861  
Proceeds from sales 0  
Proceeds from repayments (7,587,740)  
Balance, ending 4,836,754  
Recurring Basis [Member] | Level 3 [Member] | MSRs Agency [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 381,757  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') on securities 0  
Included in change in fair value of investments in excess mortgage servicing rights (4,415)  
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 receivable 0  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 1,195  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 12,953  
Purchases, sales and repayments    
Purchases 0  
Proceeds from sales 0  
Proceeds from repayments (37,515)  
Balance, ending 353,975  
Recurring Basis [Member] | Level 3 [Member] | MSRs Agency [Member] | Excess MSRs Investees [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 194,788  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') 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 4,002  
Included in servicing revenue, net 0  
Included in change in fair value of investments in mortgage servicing rights financing receivable 0  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 0  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 0  
Purchases, sales and repayments    
Purchases 0  
Proceeds from sales 0  
Proceeds from repayments (17,180)  
Balance, ending 181,610  
Recurring Basis [Member] | Level 3 [Member] | MSRs Non-Agency [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning 1,017,698  
Transfers from Level 3 0  
Transfers to Level 3 0  
Gains (losses) included in net income    
Included in other-than-temporary impairment (''OTTI'') on securities 0  
Included in change in fair value of investments in excess mortgage servicing rights (13,944)  
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 receivable 0  
Included in change in fair value of investments in servicer advances 0  
Included in gain (loss) on settlement of investments, net 0  
Included in other income 147  
Gains (losses) included in other comprehensive income, net of tax 0  
Interest income 36,593  
Purchases, sales and repayments    
Purchases 0  
Proceeds from sales 0  
Proceeds from repayments (89,803)  
Balance, ending $ 950,691