SEGMENT REPORTING (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 item	Mar. 31, 2013	Dec. 31, 2013
Management fees
Total assets	$ 1,000		$ 1,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds
Segment reporting
Number operating segments	4
Management fees
Total management fees	110,549,000	78,394,000
Net investment income (loss)	325,177,000	353,114,000
Economic net income	274,675,000	247,584,000
Total assets	22,035,501,000	25,227,756,000	23,705,384,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Affiliated entity | ARCC
Management fees
Total management fees	28,318,000	23,836,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Private Equity Group
Segment reporting
Assets under management	9,800,000,000
Number of investment funds	5
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Direct Lending Group
Segment reporting
Assets under management	27,600,000,000
Number of investment funds	30
Prior period within which group launched inaugural vehicle	10 years
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Direct Lending Group | Affiliated entity | ARCC
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	28,318,000	23,836,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Tradable Credit Group
Segment reporting
Assets under management	31,400,000,000
Number of investment funds	70
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Real Estate Group
Segment reporting
Assets under management	8,300,000,000
Mortgage loans	5,200,000,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Operating segment
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	139,861,000	107,491,000
Previously deferred fees		1,139,000
Total management fees	139,861,000	108,630,000
Administrative fees and other income	1,473,000	205,000
General, administrative and other expenses	(11,877,000)	(7,773,000)
Compensation and benefits	(62,697,000)	(45,833,000)
Fee related earnings (loss)	66,760,000	55,229,000
Performance fees-realized	23,338,000	18,050,000
Performance fees-unrealized	40,092,000	81,363,000
Performance fee compensation expense-realized	(16,007,000)	(7,245,000)
Performance fee compensation expense-unrealized	(24,718,000)	(55,757,000)
Net performance fees	22,705,000	36,411,000
Investment income (loss)-realized	19,282,000	19,577,000
Investment income (loss)-unrealized	2,952,000	3,350,000
Interest and other income	3,145,000	1,908,000
Interest expense	(1,639,000)	(2,425,000)
Net investment income (loss)	23,740,000	22,410,000
Performance related earnings	46,445,000	58,821,000
Economic net income	113,205,000	114,050,000
Distributable earnings (loss)	92,059,000	83,279,000
Total assets	1,396,419,000	1,329,285,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Operating segment | Private Equity Group
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	23,196,000	23,543,000
Total management fees	23,196,000	23,543,000
Administrative fees and other income	76,000	117,000
General, administrative and other expenses	(2,000,000)	(2,238,000)
Compensation and benefits	(8,195,000)	(6,596,000)
Fee related earnings (loss)	13,077,000	14,826,000
Performance fees-realized	13,086,000	9,012,000
Performance fees-unrealized	21,341,000	25,513,000
Performance fee compensation expense-realized	(10,472,000)	(7,209,000)
Performance fee compensation expense-unrealized	(16,912,000)	(20,269,000)
Net performance fees	7,043,000	7,047,000
Investment income (loss)-realized	1,131,000	926,000
Investment income (loss)-unrealized	15,156,000	2,424,000
Interest and other income	2,785,000	406,000
Interest expense	(623,000)	(919,000)
Net investment income (loss)	18,449,000	2,837,000
Performance related earnings	25,492,000	9,884,000
Economic net income	38,569,000	24,710,000
Distributable earnings (loss)	18,698,000	16,752,000
Total assets	477,710,000	407,526,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Operating segment | Direct Lending Group
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	66,204,000	51,450,000
Total management fees	66,204,000	51,450,000
Administrative fees and other income	90,000	83,000
General, administrative and other expenses	(1,914,000)	(1,802,000)
Compensation and benefits	(32,212,000)	(26,902,000)
Fee related earnings (loss)	32,168,000	22,829,000
Performance fees-realized	39,000
Performance fees-unrealized	2,292,000	1,499,000
Performance fee compensation expense-realized	(29,000)
Performance fee compensation expense-unrealized	(1,451,000)	(823,000)
Net performance fees	851,000	676,000
Investment income (loss)-realized	(597,000)	(825,000)
Investment income (loss)-unrealized	1,524,000	3,839,000
Interest and other income	98,000	1,151,000
Interest expense	(304,000)	(637,000)
Net investment income (loss)	721,000	3,528,000
Performance related earnings	1,572,000	4,204,000
Economic net income	33,740,000	27,033,000
Distributable earnings (loss)	31,158,000	22,342,000
Total assets	195,543,000	211,238,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Operating segment | Tradable Credit Group
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	33,693,000	30,031,000
Previously deferred fees		1,139,000
Total management fees	33,693,000	31,170,000
Administrative fees and other income	17,000
General, administrative and other expenses	(3,696,000)	(2,475,000)
Compensation and benefits	(10,805,000)	(8,767,000)
Fee related earnings (loss)	19,209,000	19,928,000
Performance fees-realized	10,213,000	9,038,000
Performance fees-unrealized	13,509,000	54,351,000
Performance fee compensation expense-realized	(5,506,000)	(36,000)
Performance fee compensation expense-unrealized	(6,355,000)	(34,665,000)
Net performance fees	11,861,000	28,688,000
Investment income (loss)-realized	18,018,000	19,513,000
Investment income (loss)-unrealized	(12,866,000)	(3,961,000)
Interest and other income	251,000	312,000
Interest expense	(387,000)	(656,000)
Net investment income (loss)	5,016,000	15,208,000
Performance related earnings	16,877,000	43,896,000
Economic net income	36,086,000	63,824,000
Distributable earnings (loss)	40,704,000	47,607,000
Total assets	555,851,000	656,974,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Operating segment | Real Estate Group
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	16,768,000	2,467,000
Total management fees	16,768,000	2,467,000
Administrative fees and other income	1,290,000	5,000
General, administrative and other expenses	(4,267,000)	(1,258,000)
Compensation and benefits	(11,485,000)	(3,568,000)
Fee related earnings (loss)	2,306,000	(2,354,000)
Performance fees-unrealized	2,950,000
Net performance fees	2,950,000
Investment income (loss)-realized	730,000	(37,000)
Investment income (loss)-unrealized	(862,000)	1,048,000
Interest and other income	11,000	39,000
Interest expense	(325,000)	(213,000)
Net investment income (loss)	(446,000)	837,000
Performance related earnings	2,504,000	837,000
Economic net income	4,810,000	(1,517,000)
Distributable earnings (loss)	1,499,000	(3,422,000)
Total assets	167,315,000	53,547,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | OMG
Segment reporting
Number of independent shared resource groups to support entity's operating segments	5
Management fees
Administrative fees and other income	5,392,000	4,455,000
General, administrative and other expenses	(13,535,000)	(5,554,000)
Compensation and benefits	(27,657,000)	(19,082,000)
Fee related earnings (loss)	(35,800,000)	(20,181,000)
Economic net income	(35,800,000)	(20,181,000)
Distributable earnings (loss)	(37,512,000)	(20,472,000)
Total assets	10,437,000	9,444,000
Ares Holdings, Inc. and Ares Investments LLC and Consolidated Funds | Stand Alone
Management fees
Recurring fees (includes, in the case of the Direct Lending Group, $28,318 and $23,836 of ARCC Part I Fees as of March 31, 2014 and 2013)	139,861,000	107,491,000
Previously deferred fees		1,139,000
Total management fees	139,861,000	108,630,000
Administrative fees and other income	6,865,000	4,660,000
General, administrative and other expenses	(25,412,000)	(13,327,000)
Compensation and benefits	(90,354,000)	(64,915,000)
Fee related earnings (loss)	30,960,000	35,048,000
Performance fees-realized	23,338,000	18,050,000
Performance fees-unrealized	40,092,000	81,363,000
Performance fee compensation expense-realized	(16,007,000)	(7,245,000)
Performance fee compensation expense-unrealized	(24,718,000)	(55,757,000)
Net performance fees	22,705,000	36,411,000
Investment income (loss)-realized	19,282,000	19,577,000
Investment income (loss)-unrealized	2,952,000	3,350,000
Interest and other income	3,145,000	1,908,000
Interest expense	(1,639,000)	(2,425,000)
Net investment income (loss)	23,740,000	22,410,000
Performance related earnings	46,445,000	58,821,000
Economic net income	77,405,000	93,869,000
Distributable earnings (loss)	54,547,000	62,807,000
Total assets	$ 1,406,856,000	$ 1,338,729,000