INVESTMENTS - Schedule of Financial Information of Oaktree Capital I and Remaining Equity-Method Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 01, 2024	Dec. 31, 2021
Assets:
Total assets	$ 7,073,432	$ 7,555,933		$ 1,957,733
Liabilities and Capital:
Total liabilities	1,602,984	1,634,479		$ 1,333,980
Total capital	2,401,364	2,584,906	$ 1,906,638		$ 2,272,602
Total liabilities and unitholders’ capital	7,073,432	7,555,933
Income Statement [Abstract]
Interest expense	(99,773)	(50,272)	(248,401)
Net realized and unrealized gain on investments	216,310	108,484	(28,137)
Remaining Investments
Income Statement [Abstract]
Revenues / investment income	2,362,833	4,506,814	3,460,281
Interest expense	(343,541)	(565,810)	(378,567)
Other expenses	(682,302)	(1,117,553)	(905,289)
Net realized and unrealized gain on investments	1,871,488	862,771	2,612,383
Net income	3,208,478	3,686,222	$ 4,788,808
Remaining Investments
Assets:
Cash and cash-equivalents	25,489	2,834,702
Investments, at fair value	1,886,579	67,471,007
Other assets	55,488	2,007,260
Total assets	1,967,556	72,312,969
Liabilities and Capital:
Debt obligations	1,074,156	5,633,599
Other liabilities	102,707	3,722,872
Total liabilities	1,176,863	9,356,471
Total capital	790,693	62,956,498
Total liabilities and unitholders’ capital	$ 1,967,556	$ 72,312,969