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STOCKHOLDERS’ EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS - Net Income (Loss) Attributable to Noncontrolling Interests and Noncontrolling Interests at the End of the Period (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Change In Ownership Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interests	$ (365)	$ 16,995	$ 10,245	$ 20,265
Noncontrolling interest	58,243		58,243		$ 118,936
Profit Participators
Change In Ownership Interest [Line Items]
Noncontrolling interest	12,859		12,859		10,792
LFI Consolidated Funds
Change In Ownership Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interests	(3,251)	(5,237)	3,718	(18,393)
Noncontrolling interest	0		0		74,164
Edgewater
Change In Ownership Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interests	2,885	18,209	4,557	28,715
Noncontrolling interest	45,371		45,371		44,681
LGAC
Change In Ownership Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interests	0	4,023	1,968	9,941
Noncontrolling interest	0		0		(10,714)
Other
Change In Ownership Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interests	1	$ 0	2	$ 2
Noncontrolling interest	$ 13		$ 13		$ 13

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Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity.

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