QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended								12 Months Ended
	Dec. 17, 2019	Sep. 16, 2019	Jun. 14, 2019	Mar. 15, 2019	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Data [Abstract]
Total revenues					$ 436,929	$ 466,490	$ 384,822	$ 477,197	$ 247,432	$ 240,777	$ 204,163	$ 266,089		$ 958,461	$ 1,479,943
Expenses					362,288	395,701	335,701	369,107	215,874	227,188	221,017	206,283	$ 1,462,797	870,362	1,504,758
Other income					26,620	32,787	35,262	27,870	(12,678)	38,754	67,926	2,240	122,539	96,242	174,674
Income before taxes					101,261	103,576	84,383	135,960	18,880	52,343	51,072	62,046	425,180	184,341	149,859
Net income					84,475	91,875	74,878	121,576	16,337	47,212	14,169	74,421	372,804	152,139	172,911
Net income attributable to Ares Management Corporation					38,465	33,331	32,139	44,949	11,937	15,910	(11,775)	40,948	148,884	57,020	76,178
Less: Series A Preferred Stock dividends paid					5,425	5,425	5,425	5,425	5,425	5,425	5,425	5,425	21,700	21,700	21,700
Net income attributable to Ares Management Corporation Class A common stockholders					$ 33,040	$ 27,906	$ 26,714	$ 39,524	$ 6,512	$ 10,485	$ (17,200)	$ 35,523	$ 127,184	$ 35,320	$ 54,478
Net income per share of Class A common stock
Basic (in dollars per share)					$ 0.27	$ 0.24	$ 0.24	$ 0.36	$ 0.05	$ 0.09	$ (0.20)	$ 0.39	$ 1.11	$ 0.30	$ 0.62
Diluted (in dollars per share)					0.25	0.23	0.23	0.36	0.05	0.09	(0.20)	0.28	1.06	0.30	0.62
Dividend declared and paid per Class A common stock (in dollar per share)	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 0.28	$ 0.28	$ 0.28	$ 0.24	$ 1.28	$ 1.33	$ 1.13