GOODWILL AND INTANGIBLE ASSETS - Schedule of Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Finite-lived intangible assets, net
Finite-lived intangible assets	$ 1,352,513	$ 801,895
Foreign currency translation	4,549	(789)
Total finite-lived intangible assets	1,357,062	801,106
Less: accumulated amortization	(454,397)	(393,078)
Finite-lived intangible assets, net	902,665	408,028
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Intangible assets, net	2,220,065	975,828
Management contracts
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived management contracts	$ 1,317,400	567,800
Management contracts
Finite-lived intangible assets, net
Weighted average amortization period	5 years
Finite-lived intangible assets	$ 1,034,593	590,675
Client relationships
Finite-lived intangible assets, net
Weighted average amortization period	7 years 3 months 18 days
Finite-lived intangible assets	$ 317,920	210,720
Other
Finite-lived intangible assets, net
Weighted average amortization period	0 years
Finite-lived intangible assets	$ 0	$ 500