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, 2024	Mar. 31, 2023	Mar. 31, 2022
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 71,304	$ 125,800	$ 87,257
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	3,553	6,317	4,111
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	27,189	55,407	32,112
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	18,948	29,429	28,586
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 21,614	$ 34,647	$ 22,448