CONVERTIBLE SENIOR NOTES AND CAPPED CALL (Tables)

9 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Convertible Debt

The net carrying amount of the liability component of the Notes was as follows (in thousands):

	December 31, 2020		March 31, 2020
Principal	$	362,500	$	362,500
Unamortized debt discount	(57,587)		(69,987)
Unamortized issuance costs	(802)		(976)
Net carrying amount	$	304,111	$	291,537

Schedule of Interest Income and Interest Expense Disclosure

Interest expense related to the Notes was as follows (in thousands):

	Three Months Ended December 31,				Nine Months Ended December 31,
	2020		2019		2020		2019
Contractual interest expense	$	453	$	400	$	1,359	$	1,119
Amortization of debt discount	4,198		3,551		12,399		9,926
Amortization of issuance costs	59		40		174		92
Total interest expense	$	4,710	$	3,991	$	13,932	$	11,137