TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Narrative (Details) (USD $)	6 Months Ended	0 Months Ended	3 Months Ended	12 Months Ended			0 Months Ended	1 Months Ended
	Jun. 30, 2014	Jun. 27, 2013	Sep. 30, 2013	Dec. 31, 2014		Dec. 31, 2013	Mar. 06, 2014	Dec. 31, 2014
Related Party Transaction [Line Items]
Management fee rate				1.50%				1.50%
Decrease in incentive compensation	$ 5,500,000
Face amount of debt				6,062,299,000	[1]			6,062,299,000	[1]
Agency RMBS [Member]
Related Party Transaction [Line Items]
Face amount of securities purchased		22,700,000		1,300,000,000		608,900,000
Purchase of real estate securities		1,200,000	1,200,000			645,500,000
Non-Agency RMBS [Member]
Related Party Transaction [Line Items]
Face amount of securities purchased				3,200,000,000		1,300,000,000	625,000,000	186,700,000
Purchase of real estate securities				114,300,000		835,600,000
Excess MSRs [Member] | Nationstar [Member] | Customer Concentration Risk [Member]
Related Party Transaction [Line Items]
Concentration risk				98.80%
Servicer Advances [Member] | Nationstar [Member] | Customer Concentration Risk [Member]
Related Party Transaction [Line Items]
Concentration risk				97.00%
FIG LLC [Member]
Related Party Transaction [Line Items]
Management fee rate				1.50%				1.50%
Incentive compensation percentage				25.00%				25.00%
Interest rate for incentive compensation				10.00%				10.00%
Nationstar [Member]
Related Party Transaction [Line Items]
Unpaid Principal Balance (UPB) of Underlying Mortgages				93,400,000,000				93,400,000,000
Unpaid balance of real estate owned				33,600,000				33,600,000
Nationstar [Member] | Agency RMBS [Member]
Related Party Transaction [Line Items]
Face amount of debt				92,900,000				92,900,000
Nationstar [Member] | Non-Agency RMBS [Member]
Related Party Transaction [Line Items]
Face amount of debt				1,700,000,000				1,700,000,000
Unpaid Principal Balance (UPB) of Underlying Mortgages				7,500,000,000				7,500,000,000
Nationstar [Member] | Non-Performing Loans [Member]
Related Party Transaction [Line Items]
Unpaid Principal Balance (UPB) of Underlying Mortgages				$ 976,200,000				$ 976,200,000

[1] Excludes debt related to linked transactions (Note 10).