Convertible Senior Notes and Capped Call Transactions (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Net Carrying Amount of Liability and Equity Components of Convertible Notes

The net carrying amount of the liability and equity components of the 2025 Notes as of December 31, 2020 was as follows:

	As of
	December 31, 2020
	(in thousands)
Liability component
Principal	$	253,000
Unamortized discount	(28,410)
Unamortized issuance costs	(6,130)
Net carrying amount	$	218,460
Equity component, net of discount and issuance costs	$	30,794

Schedule of Interest Expense

The interest expense recognized related to the 2025 Notes for the year ended December 31, 2020 was as follows:

	December 31, 2020
Contractual interest expense	$	2,012
Amortization of debt discount	3,369
Amortization of debt issuance costs	727
Total	$	6,108