FAIR VALUE OPTION - Change in Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	$ 34,123	$ (181,243)	$ 524,498
Fair value, option, liabilities, net realized gains (losses)	(1,212)	(785)	47,179
Fair value, option, assets, net unrealized gains (losses)	1,024,111	(1,582,835)	594,504
Fair value, option, liabilities, net unrealized gains (losses)	(952,870)	1,313,200	50,362
Fair value, option, assets, total gains (losses)	1,058,234	(1,764,078)	1,119,002
Fair value, option, liabilities, total gains (losses)	(954,082)	1,312,415	97,541
Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	34,123	(181,243)	524,498
Fair value, option, liabilities, net realized gains (losses)	(1,212)	(785)	47,179
Fair value, option, assets, net unrealized gains (losses)	1,090,867	(1,639,375)	106,154
Fair value, option, liabilities, net unrealized gains (losses)	(1,015,491)	1,175,161	(72,376)
Fair value, option, assets, total gains (losses)	1,124,990	(1,820,618)	630,652
Fair value, option, liabilities, total gains (losses)	(1,016,703)	1,174,376	(25,197)
Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	0	0	0
Fair value, option, liabilities, net realized gains (losses)	0	0	0
Fair value, option, assets, net unrealized gains (losses)	(66,756)	56,540	488,350
Fair value, option, liabilities, net unrealized gains (losses)	62,621	138,039	122,738
Fair value, option, assets, total gains (losses)	(66,756)	56,540	488,350
Fair value, option, liabilities, total gains (losses)	62,621	138,039	122,738
Credit | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	(85,682)	(103,860)	43,227
Fair value, option, assets, net unrealized gains (losses)	66,109	(9,326)	19,833
Fair value, option, assets, total gains (losses)	(19,573)	(113,186)	63,060
Investments of Consolidated CFEs | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	(104,196)	(69,234)	62,075
Fair value, option, assets, net unrealized gains (losses)	1,019,063	(1,437,482)	134,174
Fair value, option, assets, total gains (losses)	914,867	(1,506,716)	196,249
Real Assets | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	51,637	85	(1,133)
Fair value, option, assets, net unrealized gains (losses)	(54,697)	19,295	16,375
Fair value, option, assets, total gains (losses)	(3,060)	19,380	15,242
Equity Method - Other | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	170,909	(14,891)	404,513
Fair value, option, assets, net unrealized gains (losses)	61,205	(201,935)	(90,867)
Fair value, option, assets, total gains (losses)	232,114	(216,826)	313,646
Mortgage and other loan receivables | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	0	0	0
Fair value, option, assets, net unrealized gains (losses)	(1,342)	(96,569)	(2,257)
Fair value, option, assets, total gains (losses)	(1,342)	(96,569)	(2,257)
Other Investments | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	1,455	6,657	15,816
Fair value, option, assets, net unrealized gains (losses)	(813)	(9,927)	26,639
Fair value, option, assets, total gains (losses)	642	(3,270)	42,455
Other Investments | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, assets, net realized gains (losses)	0	0	0
Fair value, option, assets, net unrealized gains (losses)	(65,414)	153,109	490,607
Fair value, option, assets, total gains (losses)	(65,414)	153,109	490,607
Debt Obligations of Consolidated CFEs | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, liabilities, net realized gains (losses)	(1,212)	(785)	47,179
Fair value, option, liabilities, net unrealized gains (losses)	(1,015,491)	1,175,161	(72,376)
Fair value, option, liabilities, total gains (losses)	(1,016,703)	1,174,376	(25,197)
Policy liabilities | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value, option, liabilities, net realized gains (losses)	0	0	0
Fair value, option, liabilities, net unrealized gains (losses)	62,621	138,039	122,738
Fair value, option, liabilities, total gains (losses)	$ 62,621	$ 138,039	$ 122,738