CONVERTIBLE SENIOR NOTES AND TERM LOAN - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Amortization of debt discount and issuance costs	$ 1,062	$ 1,108
Term Loan | Convertible debt
Debt Instrument [Line Items]
Contractual interest expense	6,855	6,879
Amortization of debt discount and issuance costs	824	775
Total interest expense	7,679	7,654
2028 Notes | Convertible debt
Debt Instrument [Line Items]
Contractual interest expense	2,039	2,014
Amortization of debt discount and issuance costs	238	227
Total interest expense	$ 2,277	$ 2,241