STOCK-BASED COMPENSATION - Effect of Stock-based Compensation Expense on Income, by Financial Statement Line Item (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 29,027	$ 51,518
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	1,258	2,456
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	10,370	24,016
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	8,522	12,000
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 8,877	$ 13,046