UNITHOLDERS' CAPITAL - Additional Information (Detail) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||||||||
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Mar. 10, 2014
USD ($)
shares
|
Mar. 31, 2015
USD ($)
shares
|
May. 31, 2013
USD ($)
$ / shares
shares
|
Dec. 31, 2015
USD ($)
$ / shares
shares
|
Sep. 30, 2015
$ / shares
|
Jun. 30, 2015
$ / shares
|
Mar. 31, 2015
$ / shares
|
Dec. 31, 2014
USD ($)
$ / shares
shares
|
Sep. 30, 2014
$ / shares
|
Jun. 30, 2014
$ / shares
|
Mar. 31, 2014
$ / shares
|
Dec. 31, 2013
USD ($)
$ / shares
shares
|
Sep. 30, 2013
$ / shares
|
Jun. 30, 2013
$ / shares
|
Mar. 31, 2013
$ / shares
|
Dec. 31, 2015
USD ($)
day
$ / shares
shares
|
Dec. 31, 2014
USD ($)
$ / shares
shares
|
Dec. 31, 2013
USD ($)
$ / shares
shares
|
Nov. 30, 2015
shares
|
Dec. 31, 2012
USD ($)
shares
|
|
Class of Stock [Line Items] | ||||||||||||||||||||
Total unitholders’ capital | $ 1,808,094 | $ 1,840,130 | $ 1,708,378 | $ 1,808,094 | $ 1,840,130 | $ 1,708,378 | $ 1,393,893 | |||||||||||||
Non-controlling interests in consolidated funds | $ 1,043,930 | $ 1,265,961 | 1,043,930 | 1,265,961 | ||||||||||||||||
Proceeds from issuance of Class A units | $ 237,820 | $ 296,650 | $ 419,908 | |||||||||||||||||
OCGH Units | ||||||||||||||||||||
Class of Stock [Line Items] | ||||||||||||||||||||
Shares authorized for conversion | shares | 12,998,725 | |||||||||||||||||||
Class A Units | ||||||||||||||||||||
Class of Stock [Line Items] | ||||||||||||||||||||
Unitholders' capital (in shares) | shares | 61,970,000 | 43,764,000 | 38,473,000 | 61,970,000 | 43,764,000 | 38,473,000 | 30,181,000 | |||||||||||||
Lock-up period (in years) | 3 years | |||||||||||||||||||
Number of business days after earnings release | day | 2 | |||||||||||||||||||
Shares eligible for sale | shares | 1,100,000 | |||||||||||||||||||
Distribution Per Unit (in dollars per share) | $ / shares | $ 0.40 | $ 0.5 | $ 0.64 | $ 0.56 | $ 0.62 | $ 0.55 | $ 0.98 | $ 1.00 | $ 0.74 | $ 1.51 | $ 1.41 | $ 1.05 | $ 2.1 | $ 3.15 | $ 4.71 | |||||
Issuance of units (in shares) | shares | 5,000,000 | 4,600,000,000 | 8,050,000.00 | 18,231,000 | 5,291,000 | 8,292,000 | ||||||||||||||
Proceeds from issuance of Class A units | $ 296,700 | $ 237,800 | $ 419,900 | |||||||||||||||||
Share price (in dollars per share) | $ / shares | $ 53.50 | |||||||||||||||||||
OCGH | ||||||||||||||||||||
Class of Stock [Line Items] | ||||||||||||||||||||
Unitholders' capital (in shares) | shares | 91,937,873 | 109,088,901 | 91,937,873 | 109,088,901 | ||||||||||||||||
Total unitholders’ capital | $ 941,141 | $ 1,170,893 | $ 941,141 | $ 1,170,893 | ||||||||||||||||
Oaktree Operating Group | ||||||||||||||||||||
Class of Stock [Line Items] | ||||||||||||||||||||
Subsidiary units outstanding (in shares) | shares | 153,907,733 | 152,852,620 | 153,907,733 | 152,852,620 | ||||||||||||||||
Total unitholders’ capital | $ 1,575,504 | $ 1,640,594 | $ 1,575,504 | $ 1,640,594 | ||||||||||||||||
Equity Held by Third Parties | ||||||||||||||||||||
Class of Stock [Line Items] | ||||||||||||||||||||
Non-controlling interests in consolidated funds | $ 102,789 | $ 95,068 | $ 102,789 | $ 95,068 |