INVESTMENTS (Tables)

9 Months Ended

Sep. 30, 2017

Investments In And Advances To Affiliates [Abstract]

Summary of investments held

Investments held in the Consolidated Funds are summarized below:

	Fair value at				Fair value as a percentage of total investments at
	September 30,		December 31,		September 30,		December 31,
	2017		2016		2017		2016
United States:
Fixed income securities:
Consumer discretionary	$	1,124,210	$	665,773	22.6	%	20.0	%
Consumer staples	55,357		64,840		1.1	%	1.9	%
Energy	138,687		45,409		2.8	%	1.4	%
Financials	234,828		139,285		4.8	%	4.2	%
Healthcare, education and childcare	396,747		246,403		8.0	%	7.4	%
Industrials	298,186		149,632		6.1	%	4.5	%
Information technology	138,390		194,394		2.8	%	5.8	%
Materials	163,728		139,994		3.3	%	4.2	%
Telecommunication services	337,695		261,771		6.9	%	7.9	%
Utilities	54,548		47,800		1.1	%	1.4	%
Total fixed income securities (cost: $2,949,788 and $1,945,977 at September 30, 2017 and December 31, 2016, respectively)	2,942,376		1,955,301		59.5	%	58.7	%
Equity securities:
Energy	158		421		0.0	%	0.0	%
Partnership and LLC interests	224,010		171,696		4.6	%	5.2	%
Total equity securities (cost: $192,265 and $149,872 at September 30, 2017 and December 31, 2016, respectively)	224,168		172,117		4.6	%	5.2	%

	Fair value at				Fair value as a percentage of total investments at
	September 30,		December 31,		September 30,		December 31,
	2017		2016		2017		2016
Europe:
Fixed income securities:
Consumer discretionary	$	523,953	$	274,678	10.6	%	8.2	%
Consumer staples	72,446		39,197		1.5	%	1.2	%
Financials	43,702		28,769		0.9	%	0.9	%
Healthcare, education and childcare	199,823		111,589		4.1	%	3.4	%
Industrials	106,808		118,466		2.2	%	3.6	%
Information technology	46,512		49,507		0.9	%	1.5	%
Materials	235,505		124,629		4.8	%	3.7	%
Telecommunication services	143,972		118,632		2.9	%	3.6	%
Utilities	9,427		4,007		0.2	%	0.1	%
Total fixed income securities (cost: $1,383,866 and $892,108 at September 30, 2017 and December 31, 2016, respectively)	1,382,148		869,474		28.1	%	26.2	%
Equity securities:
Consumer staples	—		1,517		—	%	0.0	%
Healthcare, education and childcare	57,562		41,329		1.2	%	1.2	%
Telecommunication services	—		24		—	%	0.0	%
Total equity securities (cost: $67,198 and $67,290 at September 30, 2017 and December 31, 2016, respectively)	57,562		42,870		1.2	%	1.2	%
Asia and other:
Fixed income securities:
Consumer discretionary	27,950		24,244		0.6	%	0.7	%
Financials	22,402		1,238		0.5	%	0.0	%
Healthcare, education and childcare	—		10,010		—	%	0.3	%
Telecommunication services	22,830		8,696		0.5	%	0.3	%
Total fixed income securities (cost: $73,146 and $46,545 at September 30, 2017 and December 31, 2016, respectively)	73,182		44,188		1.6	%	1.3	%
Equity securities:
Consumer discretionary	48,161		44,642		1.0	%	1.3	%
Consumer staples	47,208		50,101		1.0	%	1.5	%
Healthcare, education and childcare	44,637		32,598		0.9	%	1.0	%
Industrials	16,578		16,578		0.3	%	0.5	%
Total equity securities (cost: $122,418 and $122,418 at September 30, 2017 and December 31, 2016, respectively)	156,584		143,919		3.2	%	4.3	%

	Fair value at				Fair value as a percentage of total investments at
	September 30,		December 31,		September 30,		December 31,
	2017		2016		2017		2016
Canada:
Fixed income securities:
Consumer discretionary	$	4,093	$	—	0.1	%	—	%
Consumer staples	10,387		5,256		0.2	%	0.2	%
Energy	28,459		12,830		0.6	%	0.4	%
Healthcare, education and childcare	—		15,509		—	%	0.5	%
Industrials	12,464		1,401		0.3	%	0.0	%
Telecommunication services	9,725		13,852		0.2	%	0.4	%
Total fixed income securities (cost: $64,567 and $48,274 at September 30, 2017 and December 31, 2016, respectively)	65,128		48,848		1.4	%	1.5	%
Equity securities:
Consumer discretionary	7,862		164		0.2	%	0.0	%
Total equity securities (cost: $17,202 and $408 at September 30, 2017 and December 31, 2016, respectively)	7,862		164		0.2	%	0.0	%
Australia:
Fixed income securities:
Consumer discretionary	3,142		5,627		0.1	%	0.2	%
Energy	2,877		6,046		0.1	%	0.2	%
Industrials	—		2,926		—	%	0.1	%
Utilities	—		21,154		—	%	0.6	%
Total fixed income securities (cost: $6,910 and $37,975 at September 30, 2017 and December 31, 2016, respectively)	6,019		35,753		0.2	%	1.1	%
Equity securities:
Utilities	—		17,569		—	%	0.5	%
Total equity securities (cost: $0 and $18,442 at September 30, 2017 and December 31, 2016, respectively)	—		17,569		—	%	0.5	%
Total fixed income securities	4,468,853		2,953,564		90.8	%	88.8	%
Total equity securities	446,176		376,639		9.2	%	11.2	%
Total investments, at fair value	$	4,915,029	$	3,330,203

Fair Value Investments, excluding Equity Method Investments Held at Fair Value 

	Fair value at				Fair value as a percentage of total investments at
	September 30,		December 31,		September 30,		December 31,
	2017		2016		2017		2016
Private Investment Partnership Interests:
AREA Sponsor Holdings, LLC	$	26,002	$	28,898	4.6	%	6.8	%
ACE II Master Fund, L.P. (1)(2)	19,141		22,042		3.4	%	5.2	%
Ares Corporate Opportunities Fund III, L.P.	114,674		97,549		20.3	%	22.9	%
Ares Corporate Opportunities Fund IV, L.P. (2)	34,990		37,308		6.2	%	8.7	%
Resolution Life L.P.	36,439		33,410		6.5	%	7.8	%
Other private investment partnership interests (1)(3)	168,732		118,075		30.0	%	27.7	%
Total private investment partnership interests (cost: $293,804 and $256,638 at September 30, 2017 and December 31, 2016, respectively)	399,978		337,282		71.0	%	79.1	%
Collateralized loan obligations (cost: $163,011 and $89,743 at September 30, 2017 and December 31, 2016, respectively) (3)	162,261		89,111		28.8	%	20.9	%
Common stock (cost: $1,132 and $124 at September 30, 2017 and December 31, 2016, respectively) (3)	1,304		100		0.2	%	0.0	%
Total fair value investments (cost: $457,947 and $346,505 at September 30, 2017 and December 31, 2016, respectively)	$	563,543	$	426,493

(1) Investment or portion of the investment is denominated in foreign currency; fair value is translated into U.S. dollars at each reporting date.

(2) Represents underlying security that is held through various legal entities.

(3) No single issuer or investment had a fair value that exceeded 5% of the Company's total assets.

Schedule of equity method investments

The Company's equity method investments, including those where the fair value option was elected, are summarized below:

	As of September 30,		As of December 31,
	2017		2016
Equity method investment	$	3,081	$	3,616
Equity method investments at fair value	18,071		21,843
Total equity method investments	$	21,152	$	25,459

Summary of cost and fair value of investments classified as HTM

A summary of the cost and fair value of CLO notes classified as held-to maturity investments is as follows:

	As of September 30,		As of December 31,
	2017		2016
Amortized cost	$	—	$	16,519
Unrealized loss, net	—		(116		)
Fair value	$	—	$	16,403