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CONVERTIBLE SENIOR NOTES AND CAPPED CALLS (Tables)
3 Months Ended
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, 2021March 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,
20212020
Contractual interest expense$453 $453 
Amortization of debt discount4,332 4,068 
Amortization of issuance costs61 57 
Total interest expense$4,846 $4,578