STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 43,043	$ 51,469	$ 135,588	$ 160,998
Income Statement Location [Axis]: us-gaap:CostOfRevenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	3,646	4,105	10,896	12,655
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	9,407	12,383	31,067	37,593
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	17,125	20,488	53,528	62,616
Income Statement Location [Axis]: us-gaap:RestructuringCostsAndAssetImpairmentCharges
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	0	0	152	588
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 12,865	$ 14,493	$ 39,945	$ 47,546