EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended
	Sep. 16, 2021	Jun. 16, 2021	Mar. 17, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic earnings per share of Class A and non-voting common stock:
Net income attributable to Ares Management Corporation Class A and non-voting common stockholders				$ 84,726	$ 42,120	$ 262,659	$ 56,605
Distributions on unvested restricted units				(1,440)	(2,757)	(8,142)	(7,715)
Undistributed earnings allocable to participating unvested restricted units				(306)	0	(2,858)	0
Net income available to Class A and non-voting common stockholders				82,980	39,363	251,659	48,890
Diluted earnings per share of Class A and non-voting common stock:
Net income available to Class A and non-voting common stockholders				84,726	42,120	262,659	56,605
Distributions on unvested restricted units				0	0	0	(7,715)
Net income attributable to Ares Management Corporation Class A and non-voting common stockholders				$ 84,726	$ 42,120	$ 262,659	$ 48,890
Dividend declared and paid per Class A and non-voting common stock (in dollars per share)	$ 0.47	$ 0.47	$ 0.47
Restricted units
Diluted earnings per share of Class A and non-voting common stock:
Effect of dilutive shares (in shares)				12,273,068	9,762,645	10,807,242	0
Options
Diluted earnings per share of Class A and non-voting common stock:
Effect of dilutive shares (in shares)				5,317,468	4,893,709	5,265,045	0
Class A Common Stock
Basic earnings per share of Class A and non-voting common stock:
Basic weighted-average shares of Class A and non-voting common stock (in shares)				168,931,621	143,466,209	161,071,151	131,866,471
Basic earnings per share of Class A and non-voting common stock (in dollars per share)				$ 0.49	$ 0.27	$ 1.55	$ 0.37
Diluted earnings per share of Class A and non-voting common stock:
Diluted weighted-average shares of Class A and non-voting common stock (in shares)				186,522,157	158,122,563	177,143,438	131,866,471
Diluted earnings per share of Class A and non-voting common stock (in dollars per share)				$ 0.45	$ 0.27	$ 1.48	$ 0.37
Dividend declared and paid per Class A and non-voting common stock (in dollars per share)				$ 0.47	$ 0.40	$ 1.41	$ 1.20