SEGMENT REPORTING (Revenue, Expenses and Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment revenues
Other fees	$ 0
Total revenues	241,657	$ 136,015
Segment expenses
Total expenses	491,467	129,538
Segment other income
Total other income (expense)	59,222	(15,451)
Operating segment
Segment revenues
Performance fees—realized	8,805	6,349
Performance fees—unrealized	49,261	(37,348)
Segment expenses
Performance fee compensation expense-realized	5,301	1,983
Total performance fee compensation - unrealized	35,401	(23,313)
Ares Management L.P
Segment revenues
Management fees	172,045	158,433
Other fees	14,440	7,529
Total revenues	241,657	136,015
Segment expenses
Compensation and benefits	124,339	110,679
General, administrative and other expenses	47,338	39,962
Ares Management L.P | Operating segment
Segment revenues
Management fees	176,781	162,668
Other fees	4,834	707
Performance fees—realized	8,805	6,349
Performance fees—unrealized	49,261	(37,348)
Total revenues	239,681	132,376
Segment expenses
Compensation and benefits	74,296	69,508
General, administrative and other expenses	14,895	11,991
Performance fee compensation expense-realized	5,301	1,983
Total performance fee compensation - unrealized	35,401	(23,313)
Total expenses	129,893	60,169
Segment other income
Investment income—realized	2,680	(82)
Investment income (loss)—unrealized	12,691	(8,953)
Interest and other investment income (expense)	(48)	8,380
Interest expense	(4,403)	(4,127)
Total other income (expense)	10,920	(4,782)
Affiliated entity | ARCC | Ares Management L.P
Segment revenues
Management fees	$ 33,257	$ 28,625