SEGMENT INFORMATION - Schedule of Long-Lived Assets, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 455,686	$ 518,195
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	354,940	401,464
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	79,578	92,110
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 21,168	$ 24,621