CONVERTIBLE SENIOR NOTES AND TERM LOAN - Schedule of Convertible Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Mar. 31, 2025	Aug. 05, 2024
Debt Instrument [Line Items]
Principal	$ 323,914	$ 353,914
Unamortized debt discount and issuance costs	(2,744)	(3,950)
Net carrying amount	321,170	349,964
Current portion of long-term debt	26,700	11,593
Non-current portion of long-term debt	294,470	338,371
Loans payable \| 2024 Term Loan
Debt Instrument [Line Items]
Principal	122,000	152,000	$ 225,000
Unamortized debt discount and issuance costs	(428)	(826)
Net carrying amount	121,572	151,174
Current portion of long-term debt	26,700	11,593
Non-current portion of long-term debt	94,872	139,581
Convertible debt \| 2028 Notes
Debt Instrument [Line Items]
Principal	201,914	201,914
Unamortized debt discount and issuance costs	(2,316)	(3,124)
Net carrying amount	199,598	198,790
Current portion of long-term debt	0	0
Non-current portion of long-term debt	$ 199,598	$ 198,790

Face (par) amount of debt instrument at time of issuance.

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