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, 2020	Jun. 16, 2020	Mar. 17, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Basic
Net income attributable to Ares Management Corporation Class A common stockholders				$ 42,120	$ 27,906	$ 56,605	$ 94,144
Distributions on unvested restricted units				(2,757)	(1,927)	(7,715)	(5,630)
Net income available to Class A common stockholders				39,363	25,979	48,890	$ 88,514
Basic weighted-average shares of Class A common stock (in shares)							105,546,219
Distributions on unvested restricted units				0	0	(7,715)	$ 0
Net income attributable to Ares Management Corporation Class A common stockholders				$ 42,120	$ 27,906	$ 48,890	$ 94,144
Diluted
Dividend declared and paid per Class A common stock (in dollar per share)	$ 0.40	$ 0.40	$ 0.40
Class A common stock
Basic
Basic weighted-average shares of Class A common stock (in shares)				143,466,209	108,481,929	131,866,471
Basic earnings per share of Class A common stock (in dollars per share)				$ 0.27	$ 0.24	$ 0.37	$ 0.84
Diluted
Diluted weighted-average shares of Class A common stock (in shares)				158,122,563	121,890,022	131,866,471	116,418,136
Diluted earnings per share of Class A common stock (in dollars per share)				$ 0.27	$ 0.23	$ 0.37	$ 0.81
Dividend declared and paid per Class A common stock (in dollar per share)				$ 0.40	$ 0.32	$ 1.20	$ 0.96
Restricted units
Diluted
Effect of dilutive shares (in shares)				9,762,645	8,722,690	0	7,140,271
Options
Diluted
Effect of dilutive shares (in shares)				4,893,709	4,685,403	0	3,731,646