STOCK-BASED COMPENSATION - Schedule of Effect of Stock-based Compensation Expense on Income, by Financial Statement Line Item (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 57,053	$ 29,027
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	3,095	1,258
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	21,125	10,370
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	14,476	8,522
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 18,357	$ 8,877