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CONVERTIBLE SENIOR NOTES AND CAPPED CALLS (Tables) | 3 Months Ended
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Jun. 30, 2021
Debt Disclosure [Abstract] |
Schedule of Convertible Debt | The following table presents the net carrying amount of the liability component of the Notes:
|  | June 30, 2021 |  | March 31, 2021
Principal |  | $ | 362,500 |  |  | $ | 362,500 |
Unamortized debt discount |  | (48,990) |  |  | (53,323) |
Unamortized issuance costs |  | (682) |  |  | (742) |
Net carrying amount |  | $ | 312,828 |  |  | $ | 308,435 |
Schedule of Interest Income and Interest Expense Disclosure | The following table presents interest expense related to the Notes:
|  |  |  | Three Months Ended June 30,
|  |  |  |  |  | 2021 |  | 2020
Contractual interest expense |  |  |  |  |  | $ | 453 |  |  | $ | 453 |
Amortization of debt discount |  |  |  |  |  | 4,332 |  |  | 4,068 |
Amortization of issuance costs |  |  |  |  |  | 61 |  |  | 57 |
Total interest expense |  |  |  |  |  | $ | 4,846 |  |  | $ | 4,578 |

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