CONVERTIBLE SENIOR NOTES AND TERM LOAN - 2028 Notes (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Mar. 31, 2024
Debt Instrument [Line Items]
Debt instrument, face value	$ 401,914	$ 426,914
2028 Notes | Convertible debt
Debt Instrument [Line Items]
Debt instrument, face value	$ 201,914	$ 201,914
Debt instrument, effective interest rate	4.00%	4.00%
Debt issuance costs, net	$ 5,600	$ 5,600
Debt issuance costs, percentage paid in common stock	50.00%	50.00%
Debt instrument, interest rate	4.70%