SEGMENT REPORTING (Operating Segments) (Details) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Segment reporting |
|
|
|
|
Other fees |
$ 0
|
|
|
|
Operating segment |
|
|
|
|
Segment reporting |
|
|
|
|
Fee related earnings |
103,936
|
$ 84,681
|
$ 299,699
|
$ 245,789
|
Performance fees—realized |
178,989
|
132,837
|
261,924
|
220,790
|
Performance fees—unrealized |
(89,423)
|
32,368
|
223,467
|
118,334
|
Total performance fee compensation - realized |
(140,979)
|
(93,778)
|
(199,253)
|
(146,792)
|
Performance fee compensation—unrealized |
82,342
|
(29,395)
|
(161,791)
|
(106,947)
|
Net investment income |
8,563
|
34,040
|
49,720
|
51,685
|
Performance related earnings |
39,492
|
76,072
|
174,067
|
137,070
|
Economic net income |
143,428
|
160,753
|
473,766
|
382,859
|
Distributable earnings |
153,665
|
133,431
|
362,694
|
342,386
|
OMG |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
0
|
0
|
0
|
0
|
Other fees |
0
|
0
|
0
|
0
|
Compensation and benefits |
(27,577)
|
(25,960)
|
(84,881)
|
(77,225)
|
General, administrative and other expenses |
(18,380)
|
(13,386)
|
(56,729)
|
(44,616)
|
Fee related earnings |
(45,957)
|
(39,346)
|
(141,610)
|
(121,841)
|
Performance fees—realized |
0
|
0
|
0
|
0
|
Performance fees—unrealized |
0
|
0
|
0
|
0
|
Total performance fee compensation - realized |
0
|
0
|
0
|
0
|
Performance fee compensation—unrealized |
0
|
0
|
0
|
0
|
Net performance fees |
0
|
0
|
0
|
0
|
Investment income (loss)—realized |
18
|
(20,005)
|
3,217
|
(20,093)
|
Investment income (loss)—unrealized |
4,357
|
15,979
|
222
|
4,460
|
Interest and other investment income (expense) |
26
|
15
|
1,125
|
(53)
|
Interest expense |
(441)
|
(664)
|
(1,380)
|
(2,101)
|
Net investment income |
3,960
|
(4,675)
|
3,184
|
(17,787)
|
Performance related earnings |
3,960
|
(4,675)
|
3,184
|
(17,787)
|
Economic net income |
(41,997)
|
(44,021)
|
(138,426)
|
(139,628)
|
Distributable earnings |
(53,214)
|
(66,696)
|
(151,642)
|
(157,550)
|
Total |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
188,628
|
168,796
|
550,969
|
494,076
|
Other fees |
6,144
|
751
|
16,998
|
2,777
|
Compensation and benefits |
(104,782)
|
(97,338)
|
(309,238)
|
(290,176)
|
General, administrative and other expenses |
(32,011)
|
(26,874)
|
(100,640)
|
(82,729)
|
Fee related earnings |
57,979
|
45,335
|
158,089
|
123,948
|
Performance fees—realized |
178,989
|
132,837
|
261,924
|
220,790
|
Performance fees—unrealized |
(89,423)
|
32,368
|
223,467
|
118,334
|
Total performance fee compensation - realized |
(140,979)
|
(93,778)
|
(199,253)
|
(146,792)
|
Performance fee compensation—unrealized |
82,342
|
(29,395)
|
(161,791)
|
(106,947)
|
Net performance fees |
30,929
|
42,032
|
124,347
|
85,385
|
Investment income (loss)—realized |
22,489
|
(8,301)
|
33,983
|
(4,650)
|
Investment income (loss)—unrealized |
(5,954)
|
34,716
|
25,640
|
20,629
|
Interest and other investment income (expense) |
1,331
|
7,086
|
8,857
|
31,738
|
Interest expense |
(5,343)
|
(4,136)
|
(15,576)
|
(13,819)
|
Net investment income |
12,523
|
29,365
|
52,904
|
33,898
|
Performance related earnings |
43,452
|
71,397
|
177,251
|
119,283
|
Economic net income |
101,431
|
116,732
|
335,340
|
243,231
|
Distributable earnings |
100,451
|
66,735
|
211,052
|
184,836
|
Ares Management L.P |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
183,177
|
163,609
|
535,990
|
480,563
|
Other fees |
13,486
|
7,369
|
43,024
|
22,761
|
Compensation and benefits |
(129,347)
|
(111,916)
|
(384,905)
|
(335,249)
|
General, administrative and other expenses |
(47,104)
|
(38,197)
|
(145,193)
|
(116,845)
|
Net investment income |
(1,831)
|
(1,681)
|
(6,218)
|
(47)
|
Ares Management L.P | Affiliated entity | ARCC |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
24,036
|
33,260
|
76,436
|
90,884
|
Ares Management L.P | Operating segment |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
188,628
|
168,796
|
550,969
|
494,076
|
Other fees |
6,144
|
751
|
16,998
|
2,777
|
Compensation and benefits |
(77,205)
|
(71,378)
|
(224,357)
|
(212,951)
|
General, administrative and other expenses |
(13,631)
|
(13,488)
|
(43,911)
|
(38,113)
|
Fee related earnings |
103,936
|
84,681
|
299,699
|
245,789
|
Performance fees—realized |
178,989
|
132,837
|
261,924
|
220,790
|
Performance fees—unrealized |
(89,423)
|
32,368
|
223,467
|
118,334
|
Total performance fee compensation - realized |
(140,979)
|
(93,778)
|
(199,253)
|
(146,792)
|
Performance fee compensation—unrealized |
82,342
|
(29,395)
|
(161,791)
|
(106,947)
|
Net performance fees |
30,929
|
42,032
|
124,347
|
85,385
|
Investment income (loss)—realized |
22,471
|
11,704
|
30,766
|
15,443
|
Investment income (loss)—unrealized |
(10,311)
|
18,737
|
25,418
|
16,169
|
Interest and other investment income (expense) |
1,305
|
7,071
|
7,732
|
31,791
|
Interest expense |
(4,902)
|
(3,472)
|
(14,196)
|
(11,718)
|
Net investment income |
8,563
|
34,040
|
49,720
|
51,685
|
Performance related earnings |
39,492
|
76,072
|
174,067
|
137,070
|
Economic net income |
143,428
|
160,753
|
473,766
|
382,859
|
Distributable earnings |
153,665
|
133,431
|
362,694
|
342,386
|
Ares Management L.P | Operating segment | Credit Group |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
120,178
|
115,794
|
354,179
|
332,182
|
Other fees |
5,668
|
280
|
15,834
|
939
|
Compensation and benefits |
(46,551)
|
(45,222)
|
(142,647)
|
(135,068)
|
General, administrative and other expenses |
(6,851)
|
(7,274)
|
(22,766)
|
(19,383)
|
Fee related earnings |
72,444
|
63,578
|
204,600
|
178,670
|
Performance fees—realized |
3,296
|
22,422
|
19,957
|
44,624
|
Performance fees—unrealized |
33,033
|
11,152
|
41,062
|
(1,544)
|
Total performance fee compensation - realized |
(1,466)
|
(7,241)
|
(8,649)
|
(9,978)
|
Performance fee compensation—unrealized |
(19,820)
|
(11,686)
|
(27,357)
|
(9,853)
|
Net performance fees |
15,043
|
14,647
|
25,013
|
23,249
|
Investment income (loss)—realized |
6,206
|
588
|
9,049
|
390
|
Investment income (loss)—unrealized |
(1,123)
|
5,460
|
16
|
9,256
|
Interest and other investment income (expense) |
(540)
|
5,940
|
2,399
|
21,617
|
Interest expense |
(3,277)
|
(1,831)
|
(8,800)
|
(6,729)
|
Net investment income |
1,266
|
10,157
|
2,664
|
24,534
|
Performance related earnings |
16,309
|
24,804
|
27,677
|
47,783
|
Economic net income |
88,753
|
88,382
|
232,277
|
226,453
|
Distributable earnings |
73,120
|
81,542
|
204,402
|
221,357
|
Ares Management L.P | Operating segment | Private Equity |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
51,313
|
35,183
|
147,559
|
111,100
|
Other fees |
449
|
309
|
1,127
|
983
|
Compensation and benefits |
(19,256)
|
(16,697)
|
(50,862)
|
(46,556)
|
General, administrative and other expenses |
(4,655)
|
(3,925)
|
(13,198)
|
(10,489)
|
Fee related earnings |
27,851
|
14,870
|
84,626
|
55,038
|
Performance fees—realized |
173,304
|
108,245
|
238,084
|
171,024
|
Performance fees—unrealized |
(142,822)
|
16,569
|
118,162
|
109,848
|
Total performance fee compensation - realized |
(138,657)
|
(86,537)
|
(189,571)
|
(136,761)
|
Performance fee compensation—unrealized |
114,395
|
(13,387)
|
(95,131)
|
(88,766)
|
Net performance fees |
6,220
|
24,890
|
71,544
|
55,345
|
Investment income (loss)—realized |
14,268
|
11,267
|
17,564
|
14,641
|
Investment income (loss)—unrealized |
(8,421)
|
7,066
|
25,479
|
(1,030)
|
Interest and other investment income (expense) |
1,129
|
417
|
3,264
|
8,532
|
Interest expense |
(1,229)
|
(1,399)
|
(4,139)
|
(4,201)
|
Net investment income |
5,747
|
17,351
|
42,168
|
17,942
|
Performance related earnings |
11,967
|
42,241
|
113,712
|
73,287
|
Economic net income |
39,818
|
57,111
|
198,338
|
128,325
|
Distributable earnings |
75,809
|
45,481
|
145,696
|
104,162
|
Ares Management L.P | Operating segment | Real Estate |
|
|
|
|
Segment reporting |
|
|
|
|
Management fees (includes ARCC Part I Fees of $24,036, $76,436 and $33,260, $90,884 for the three and nine months ended September 30, 2017 and 2016, respectively) |
17,137
|
17,819
|
49,231
|
50,794
|
Other fees |
27
|
162
|
37
|
855
|
Compensation and benefits |
(11,398)
|
(9,459)
|
(30,848)
|
(31,327)
|
General, administrative and other expenses |
(2,125)
|
(2,289)
|
(7,947)
|
(8,241)
|
Fee related earnings |
3,641
|
6,233
|
10,473
|
12,081
|
Performance fees—realized |
2,389
|
2,170
|
3,883
|
5,142
|
Performance fees—unrealized |
20,366
|
4,647
|
64,243
|
10,030
|
Total performance fee compensation - realized |
(856)
|
0
|
(1,033)
|
(53)
|
Performance fee compensation—unrealized |
(12,233)
|
(4,322)
|
(39,303)
|
(8,328)
|
Net performance fees |
9,666
|
2,495
|
27,790
|
6,791
|
Investment income (loss)—realized |
1,997
|
(151)
|
4,153
|
412
|
Investment income (loss)—unrealized |
(767)
|
6,211
|
(77)
|
7,943
|
Interest and other investment income (expense) |
716
|
714
|
2,069
|
1,642
|
Interest expense |
(396)
|
(242)
|
(1,257)
|
(788)
|
Net investment income |
1,550
|
6,532
|
4,888
|
9,209
|
Performance related earnings |
11,216
|
9,027
|
32,678
|
16,000
|
Economic net income |
14,857
|
15,260
|
43,151
|
28,081
|
Distributable earnings |
$ 4,736
|
$ 6,408
|
$ 12,596
|
$ 16,867
|