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CONVERTIBLE SENIOR NOTES AND TERM LOAN - Interest Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Debt Instrument [Line Items] |  |
Amortization of debt discount and issuance costs | $ 1,109 | $ 831
Convertible Senior Notes 2024 | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Contractual interest expense | 79 | 625
Amortization of debt discount and issuance costs | 107 | 831
Total interest expense | 186 | $ 1,456
Term Loan | Loans Payable |  |
Debt Instrument [Line Items] |  |
Contractual interest expense | 6,879 |
Amortization of debt discount and issuance costs | 775 |
Total interest expense | 7,654 |
2028 Notes | Convertible Debt |  |
Debt Instrument [Line Items] |  |
Contractual interest expense | 2,014 |
Amortization of debt discount and issuance costs | 227 |
Total interest expense | $ 2,241 |

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