BUSINESS COMBINATIONS - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 01, 2025	Dec. 31, 2024
Intangible assets:
Goodwill	$ 3,436,192		$ 1,162,636
GCP International
Asset Acquisition [Line Items]
Cash		$ 61,436
Other tangible assets		452,786
Intangible assets:
Finite-lived intangible assets		580,500
Indefinite-lived management contracts		749,600
Total intangible assets		1,330,100
Total identifiable assets acquired		1,844,322
Accounts payable, accrued expenses and other liabilities		203,969
Net identifiable assets acquired		1,640,353
Goodwill		2,270,422
Net assets acquired		3,910,775
GCP International | Management contracts
Intangible assets:
Finite-lived intangible assets		473,300
GCP International | Client relationships
Intangible assets:
Finite-lived intangible assets		$ 107,200