INVESTMENTS IN SERVICER ADVANCES - Narrative (Details) (USD $)	3 Months Ended	0 Months Ended	1 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2014 securitized_trust	Dec. 31, 2014	Jan. 31, 2015	Jan. 16, 2015	Mar. 26, 2015	Mar. 19, 2015	Feb. 27, 2015
Investment [Line Items]
Servicer advances, net of recoveries	$ 200,000,000
Notes payables outstanding	200,000,000
Call rights	3,828,000	3,728,000	3,728,000	3,728,000
Nationstar [Member]
Investment [Line Items]
Servicer basic fee	9.20%
Performance fee percent	100.00%
SLS [Member]
Investment [Line Items]
Servicing fee basis points	0.1075%
Fortress [Member]
Investment [Line Items]
Excess MSR purchases		93,800,000	229,700,000
Service advances and fees		83,800,000	83,800,000	83,800,000	133,800,000
Financed service advances		74,300,000	74,300,000	74,300,000	121,200,000
Call rights		1,600,000	1,600,000	1,600,000
Number of securitized trusts		57	57	57
Servicer Advance Joint Venture [Member]
Investment [Line Items]
Servicer advances, net of recoveries	2,900,000,000
Notes payables outstanding	2,700,000,000
New Residential’s ownership	44.50%
Funded capital commitments	312,700,000
Servicer Advance Joint Venture [Member] | Noncontrolling Third-party Investors [Member]
Investment [Line Items]
Funded capital commitments	389,600,000
Advance Purchaser LLC [Member]
Investment [Line Items]
Capital distributed to third-party co-investors	238,400,000
Capital distributed to New Residential	188,300,000
Excess MSRs [Member]
Investment [Line Items]
Unpaid Principal Balance						8,400,000,000
Excess MSRs [Member] | SLS [Member]
Investment [Line Items]
Percentage of Excess MSRs acquired		50.00%	50.00%	50.00%
Excess MSRs [Member] | Fortress [Member]
Investment [Line Items]
Percentage of Excess MSRs acquired		50.00%	50.00%	50.00%
Percentage of additional Excess MSRs acquired		50.00%	50.00%	50.00%
Excess MSR purchases		8,400,000
Servicer Advances and Fees [Member] | Fortress [Member]
Investment [Line Items]
Excess MSR purchases		135,900,000
Call rights					2,100,000
Residential Mortgage [Member]
Investment [Line Items]
Unpaid Principal Balance							6,400,000	176,500,000	135,200,000
Residential Mortgage [Member] | SLS [Member]
Investment [Line Items]
Unpaid Principal Balance		3,000,000,000	3,000,000,000	3,000,000,000
Total advance commitments				219,200,000
Debt		$ 195,500,000	$ 195,500,000	$ 195,500,000
Maximum [Member] | Fortress [Member]
Investment [Line Items]
Number of securitized trusts		99	99	99