CONSOLIDATION (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	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
Revenues
Total revenues	$ 436,929	$ 466,490	$ 384,822	$ 477,197	$ 247,432	$ 240,777	$ 204,163	$ 266,089		$ 958,461	$ 1,479,943
Expenses
Total 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 (expense)
Total 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
Income tax expense (benefit)									52,376	32,202	(23,052)
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 non-controlling interests related to consolidated VIEs											35,915
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
Eliminations
Revenues
Total revenues									(49,177)	(40,744)	(52,085)
Expenses
Compensation and benefits									0	0
Performance related compensation									0	0
General, administrative and other expenses									0	0
Total expenses									(48,771)	(38,242)	(26,481)
Other income (expense)
Net realized and unrealized gains (losses) on investments									(851)	983	(5,303)
Interest and dividend income									(2,093)	(93)	(2,005)
Other income (expense), net									350	864	0
Total other income									12,991	865	(1,059)
Income before taxes									12,585	(1,637)	(26,663)
Income tax expense (benefit)									0	0	0
Net income									12,585	(1,637)	(26,663)
Less: Series A Preferred Stock dividends paid									0	0	0
Net income attributable to Ares Management Corporation Class A common stockholders									0	0	0
Consolidated Funds
Expenses
Expenses of Consolidated Funds									42,045	53,764	39,020
Other income (expense)
Net realized and unrealized gains (losses) on investments									15,136	(1,583)	100,124
Interest expense									(277,745)	(222,895)	(126,727)
Interest and other income of Consolidated Funds									395,599	337,875	187,721
Net income attributable to non-controlling interests related to consolidated VIEs									39,704	20,512	60,818
Consolidated Funds | Reportable legal entity
Expenses
Expenses of Consolidated Funds									90,816	92,006	65,501
Total expenses									90,816	92,006	65,501
Other income (expense)
Net realized and unrealized gains (losses) on investments									3,312	664	126,836
Interest expense									(281,506)	(224,253)	(159,688)
Interest and other income of Consolidated Funds									395,599	337,875	187,721
Total other income									117,405	114,286	154,869
Income before taxes									26,589	22,280	89,368
Income tax expense (benefit)									(530)	131	1,887
Net income									27,119	22,149	87,481
Net income attributable to non-controlling interests related to consolidated VIEs									27,119	22,149	87,481
Consolidated Funds | Eliminations
Expenses
Expenses of Consolidated Funds									(48,771)	(38,242)	(26,481)
Other income (expense)
Net realized and unrealized gains (losses) on investments									11,824	(2,247)	(26,712)
Interest expense									3,761	1,358	32,961
Interest and other income of Consolidated Funds									0	0	0
Net income attributable to non-controlling interests related to consolidated VIEs									12,585	(1,637)	(26,663)
AOG
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs									184,216	74,607	35,915
AOG | Reportable legal entity
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs									184,216	74,607
Net income attributable to Ares Management Corporation											76,178
AOG | Eliminations
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs									0	0	0
Ares Management L.P
Revenues
Total revenues									1,765,438	958,461	1,479,943
Expenses
Compensation and benefits									653,352	570,380	514,109
Performance related compensation									497,181	30,254	479,722
General, administrative and other expenses									270,219	215,964	196,730
Transaction support expense									0	0	275,177
Total expenses										870,362
Other income (expense)
Net realized and unrealized gains (losses) on investments									9,554	(1,884)	8,262
Interest and dividend income									7,506	7,028	7,043
Interest expense									(19,671)	(21,448)	(21,219)
Other income (expense), net									(7,840)	(851)	19,470
Total other income										96,242
Income tax expense (benefit)									52,906	32,071	(24,939)
Ares Management L.P | Affiliated entity | ARCC
Other income (expense)
Management fees, part I fees	$ 48,060				$ 37,145				164,396	128,805	105,467
Ares Management L.P | Reportable legal entity
Revenues
Total revenues									1,814,615	999,205	1,532,028
Expenses
Compensation and benefits									653,352	570,380	514,109
Performance related compensation									497,181	30,254	479,722
General, administrative and other expenses									270,219	215,964	196,730
Transaction support expense											275,177
Total expenses									1,420,752	816,598	1,465,738
Other income (expense)
Net realized and unrealized gains (losses) on investments									10,405	(2,867)	13,565
Interest and dividend income									9,599	7,121	9,048
Interest expense									(19,671)	(21,448)	(21,219)
Other income (expense), net									(8,190)	(1,715)	19,470
Total other income									(7,857)	(18,909)	20,864
Income before taxes									386,006	163,698	87,154
Income tax expense (benefit)									52,906	32,071	(24,939)
Net income									333,100	131,627	112,093
Net income attributable to Ares Management Corporation									148,884	57,020
Less: Series A Preferred Stock dividends paid									21,700	21,700	21,700
Net income attributable to Ares Management Corporation Class A common stockholders									127,184	35,320	54,478
Management fees | Eliminations
Revenues
Total revenues									(34,920)	(34,242)	(22,406)
Management fees | Ares Management L.P
Revenues
Total revenues									979,417	802,502	722,419
Management fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues									1,014,337	836,744	744,825
Carried interest allocation
Revenues
Total revenues									621,872
Carried interest allocation | Eliminations
Revenues
Total revenues									0	0	(1,017)
Carried interest allocation | Ares Management L.P
Revenues
Total revenues									621,872	42,410	620,454
Carried interest allocation | Ares Management L.P | Reportable legal entity
Revenues
Total revenues									621,872	42,410	621,471
Incentive fees | Eliminations
Revenues
Total revenues									(13,851)	(4,000)	(4,075)
Incentive fees | Ares Management L.P
Revenues
Total revenues									69,197	63,380	16,220
Incentive fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues									83,048	67,380	20,295
Principal investment income (loss) | Eliminations
Revenues
Total revenues									12,235	(2,502)	(24,587)
Principal investment income (loss) | Ares Management L.P
Revenues
Total revenues									56,555	(1,455)	64,444
Principal investment income (loss) | Ares Management L.P | Reportable legal entity
Revenues
Total revenues									44,320	1,047	89,031
Administrative, transaction and other fees
Revenues
Total revenues									0
Administrative, transaction and other fees | Eliminations
Revenues
Total revenues									(12,641)	0	0
Administrative, transaction and other fees | Ares Management L.P
Revenues
Total revenues									38,397	51,624	56,406
Administrative, transaction and other fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues									$ 51,038	$ 51,624	$ 56,406