TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Schedule of Affiliate Transactions (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Related Party Transaction [Line Items]
Due to Affiliate, Total		$ 11,983		$ 11,983		$ 23,785
Management fees		10,008	$ 8,371	20,016	$ 13,497
Incentive compensation		4,929	2,391	6,125	6,084
FIG LLC [Member]
Related Party Transaction [Line Items]
Management fees		3,336		3,336		6,671
Incentive compensation		6,125		6,125		16,017
Expense reimbursements and other		2,522		2,522		1,097
Due to Affiliate, Total		11,983		11,983		$ 23,785
Management fees		10,008	8,371	20,016	13,497
Incentive compensation		4,929	2,391	6,125	6,084
Expense reimbursements	[1]	125	125	250	250
Total payments to affiliate		$ 15,062	$ 10,887	$ 26,391	$ 19,831

[1] Included in General and Administrative Expenses in the Condensed Consolidated Statements of Income.