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	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 82,988	$ 107,979	$ 71,304
Cost of revenue
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	4,917	6,165	3,553
Research and development
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	25,562	41,704	27,189
Sales and marketing
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	22,920	27,470	18,948
General and administrative
Share-based compensation
Total non-cash stock-based compensation included in the consolidated statements of operations	$ 29,589	$ 32,640	$ 21,614

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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