INVESTMENTS - Equity-method Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statements of Operations
Interest expense	$ (22,215)	$ (16,549)
Net realized and unrealized gain on investments	65,698	6,498
Net income	247,953	93,192
Brookfield Corporate Treasury Ltd Treasury
Schedule of Equity Method Investments [Line Items]
Loss from equity method investments	17,700
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Statements of Operations
Revenues / investment income	1,041,837	1,176,631
Interest expense	(141,221)	(147,966)
Other expenses	(270,030)	(239,798)
Net realized and unrealized gain on investments	1,146,042	325,585
Net income	$ 1,776,628	$ 1,114,452
Maximum | Oaktree Funds
Schedule of Equity Method Investments [Line Items]
Ownership percentage	2.50%