STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION - Schedule of Effect of Stock-based Compensation Expense on Income, by Financial Statement Line Item (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 107,979	$ 71,304	$ 125,800
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	6,165	3,553	6,317
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	41,704	27,189	55,407
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	27,470	18,948	29,429
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 32,640	$ 21,614	$ 34,647