CONVERTIBLE SENIOR NOTES AND CAPPED CALL (Tables)

3 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Schedule of Convertible Debt

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

	June 30, 2020			March 31, 2020
Principal	$	362,500		$	362,500
Unamortized debt discount	(65,919		)	(69,987		)
Unamortized issuance costs	(919		)	(976		)
Net carrying amount	$	295,662		$	291,537

Schedule of Interest Income and Interest Expense Disclosure

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

	Three Months Ended June 30,
	2020		2019
Contractual interest expense	$	453	$	359
Amortization of debt discount	4,068		3,146
Amortization of issuance costs	57		26
Total interest expense	$	4,578	$	3,531