Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt

Schedule of outstanding Convertible Notes

	March 31,
	2021
	(in thousands)
Long-Term Debt
Outstanding Principal	$	287,500
Unamortized debt discount and issuance cost		(8,029)
Net carrying amount	$	279,471

Summary of interest expense

	Three months ended
	March 31,
	2021
	(in thousands)
Cash interest expense
Contractual interest expense	$	1,617
Non-cash interest expense
Amortization of debt discount and debt issuance cost		304
Total interest expense	$	1,921