UNITHOLDERS' CAPITAL - Summary of Net Income (Loss) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Weighted average Oaktree Operating Group units outstanding (in thousands):
Total weighted average units outstanding, basic (in shares)	109,199	99,238
Total weighted average units outstanding, diluted (in shares)	109,199	99,238
Oaktree Operating Group net income (loss):
Oaktree Capital I net income (loss)	$ 247,953	$ 93,192
Net income (loss) attributable to BOH Class A unitholders:
Oaktree Capital I net income (loss) attributable to BOH Class A unitholders	69,160	31,389
Non-Operating Group income (expense)	7,626	7,540
Net income attributable to Brookfield Oaktree Holdings, LLC Class A unitholders	$ 76,786	$ 38,929
Oaktree Operating Group
Weighted average Oaktree Operating Group units outstanding (in thousands):
Total weighted average units outstanding, basic (in shares)	160,122	160,062
Total weighted average units outstanding, diluted (in shares)	160,122	160,062
Oaktree Operating Group net income (loss):
Oaktree Capital I net income (loss)	$ 128,717	$ 57,918
OCGH Units | Oaktree Operating Group
Weighted average Oaktree Operating Group units outstanding (in thousands):
Total weighted average units outstanding, basic (in shares)	54,706	60,824
Total weighted average units outstanding, diluted (in shares)	54,706	60,824
Oaktree Operating Group net income (loss):
Oaktree Capital I net income (loss)	$ 52,728	$ 19,700
Series A Preferred Units | Oaktree Operating Group
Oaktree Operating Group net income (loss):
Oaktree Capital I net income (loss)	$ 6,829	$ 6,829
Class A Units
Weighted average Oaktree Operating Group units outstanding (in thousands):
Total weighted average units outstanding, basic (in shares)	109,199	99,238
Total weighted average units outstanding, diluted (in shares)	109,199	99,238
Net income (loss) attributable to BOH Class A unitholders:
Net income attributable to Brookfield Oaktree Holdings, LLC Class A unitholders	$ 76,786	$ 38,929
Class A Units | Oaktree Operating Group
Weighted average Oaktree Operating Group units outstanding (in thousands):
Total weighted average units outstanding, basic (in shares)	105,416	99,238
Total weighted average units outstanding, diluted (in shares)	105,416	99,238
Oaktree Operating Group net income (loss):
Oaktree Capital I net income (loss)	$ 69,160	$ 31,389