FAIR VALUE - Valuation Techniques (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial Instrument	$ 23,379	$ 35,862
Oaktree Capital Group Excluding Consolidated Funds | Valuation Technique, Option Pricing Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial Instrument	20,758
Oaktree Capital Group Excluding Consolidated Funds | Mezzanine loan | Valuation Technique, Option Pricing Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial Instrument	18,155
Oaktree Capital Group Excluding Consolidated Funds | Earn-out shares | Valuation Technique, Option Pricing Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial Instrument	$ 2,603
Oaktree Capital Group Excluding Consolidated Funds | Earn-out shares | Volatility | Valuation Technique, Option Pricing Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation Technique	55