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	6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 45,927	$ 57,053
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	2,993	3,095
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	14,835	21,125
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	11,483	14,476
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the condensed consolidated statements of operations	$ 16,616	$ 18,357