Convertible Senior Notes and Capped Call Transactions (Tables)

12 Months Ended

Dec. 31, 2021

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 was as follows (in thousands):

	As of
	December 31, 2021
Liability component
Principal	$	253,000
Unamortized discount	(22,759)
Unamortized issuance costs	(4,911)
Net carrying amount	$	225,330
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 years ended December 31, 2021 and 2020 was as follows (in thousands):

	December 31, 2021		December 31, 2020
Contractual interest expense	$	3,162	$	2,012
Amortization of debt discount	5,651		3,369
Amortization of debt issuance costs	1,219		727
Total	$	10,032	$	6,108