STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION- Effect of Stock-based Compensation Expense on Income, by Financial Statement Line Item (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Share-based compensation
Total non-cash stock-based compensation	$ 125,800	$ 87,257	$ 111,707
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation	6,317	4,111	5,300
Research and development
Share-based compensation
Total non-cash stock-based compensation	55,407	32,112	38,960
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation	29,429	28,586	40,401
General and administrative
Share-based compensation
Total non-cash stock-based compensation	$ 34,647	$ 22,448	$ 27,046