TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Schedule of Affiliate Transactions (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Due to Related Parties [Abstract]
Total		$ 47,348	$ 23,785
Management fees		41,610	33,475	$ 19,651
Incentive compensation		42,197	16,017	54,334
FIG LLC [Member]
Due to Related Parties [Abstract]
Management fees		3,689	6,671
Incentive compensation		42,197	16,017
Expense reimbursements and other		1,462	1,097
Total		47,348	23,785
Management fees		41,610	33,475	19,651
Incentive compensation		42,197	16,017	54,334
Expense reimbursements	[1]	500	500	500
Total		$ 84,307	$ 49,992	$ 74,485

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