VARIABLE INTEREST ENTITIES - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020 USD ($) entity	Dec. 31, 2019 USD ($) entity
Variable Interest Entity [Line Items]
Consolidated VIEs representing funds and CLOs, assets \| $	$ 8,612,961	$ 9,264,762
Consolidated VIEs representing funds and CLOs, liabilities \| $	$ 6,179,394	$ 6,696,371
Consolidated VIEs
Variable Interest Entity [Line Items]
Number of VIE's consolidated (in entity) \| entity	21	22
Consolidated VIEs representing funds and CLOs, assets \| $	$ 7,000,000
Consolidated VIEs representing funds and CLOs, liabilities \| $	5,900,000
Maximum exposure to loss \| $	$ 471,600
Number of fund managed by Oaktree \| Consolidated VIEs
Variable Interest Entity [Line Items]
Number of VIE's consolidated (in entity) \| entity	9
Number of CLO's for which Oaktree acts as collateral manager \| Consolidated VIEs
Variable Interest Entity [Line Items]
Number of VIE's consolidated (in entity) \| entity	12
Number of consolidated funds formed to satisfy risk retention requirements \| Consolidated VIEs
Variable Interest Entity [Line Items]
Number of VIE's consolidated (in entity) \| entity	2
Number of remaining variable interest entities \| Consolidated VIEs
Variable Interest Entity [Line Items]
Number of VIE's consolidated (in entity) \| entity	21

Number of Variable Interest Entities that are Consolidated

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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- Definition

Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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