VARIABLE INTEREST ENTITIES - Additional Information (Details) - Consolidated VIEs $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2017 USD ($) entity	Dec. 31, 2016 entity
Variable Interest Entity
Number of VIE's consolidated (in entity)	20	17
VIE consolidated assets \| $	$ 5,800.0
VIE consolidated liabilities \| $	4,700.0
Maximum loss exposure \| $	$ 475.8
Funds Managed by Oaktree
Variable Interest Entity
Number of VIE's consolidated (in entity)	11
CLO's for Which Oaktree Acts as Collateral Manager
Variable Interest Entity
Number of VIE's consolidated (in entity)	8
Consolidated Funds Formed to Satisfy Risk Retention Requirements
Variable Interest Entity
Number of VIE's consolidated (in entity)	2
CLO not Priced
Variable Interest Entity
Number of VIE's consolidated (in entity)	1
Remaining Variable Interest Entities
Variable Interest Entity
Number of VIE's consolidated (in entity)	19

Number of Variable Interest Entities that are Consolidated

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5710-111685

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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5728-111685

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5747-111685

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+ References

No definition available.

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