INCOME TAXES (Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current:
Total current income tax expense (benefit)	$ (15,477)	$ 30,846	$ 18,416
Deferred:
Total deferred income tax expense (benefit)	(7,575)	(19,827)	648
Total:
Income tax expense (benefit)	(23,052)	11,019	19,064
Ares Management L.P
Current:
U.S. federal income tax (benefit)	(21,559)	19,419	12,064
State and local income tax	454	3,706	4,839
Foreign income tax (benefit)	3,741	8,458	1,509
Total current income tax expense (benefit)	(17,364)	31,583	18,412
Deferred:
U.S. federal income tax (benefit)	(3,466)	(14,247)	356
State and local income tax (benefit)	(2,414)	(1,400)	306
Foreign income tax (benefit)	(1,695)	(4,180)	(14)
Total deferred income tax expense (benefit)	(7,575)	(19,827)	648
Total:
U.S. federal income tax (benefit)	(25,025)	5,172	12,420
State and local income tax (benefit)	(1,960)	2,306	5,145
Foreign income tax	2,046	4,278	1,495
Income tax expense (benefit)	(24,939)	11,756	19,060
Consolidated Funds
Current:
U.S. federal income tax (benefit)	0	0	0
State and local income tax	0	0	0
Foreign income tax (benefit)	1,887	(737)	4
Total current income tax expense (benefit)	1,887	(737)	4
Deferred:
U.S. federal income tax (benefit)	0	0	0
State and local income tax (benefit)	0	0	0
Foreign income tax (benefit)	0	0	0
Total deferred income tax expense (benefit)	0	0	0
Total:
U.S. federal income tax (benefit)	0	0	0
State and local income tax (benefit)	0	0	0
Foreign income tax	1,887	(737)	4
Income tax expense (benefit)	$ 1,887	$ (737)	$ 4