STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Schedule of Stock-Based Compensation Expense By Statement Of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	$ 9,375	$ 14,520	$ 22,177	$ 32,717
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	3,494	5,415	8,317	13,048
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	2,153	3,917	5,101	8,566
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	2,613	3,592	6,119	7,426
Service | Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	824	1,137	1,948	2,823
Other revenue | Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based employee compensation expense	$ 291	$ 459	$ 692	$ 854