Debt, Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

Debt, Commitments and Contingencies Disclosure [Abstract]

Schedule of Carrying Values of Debt

The net carrying amount of the liability component of the 2026 Notes is as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Principal	$	500,000	$	—
Unamortized debt discount	(74,386)		—
Unamortized debt issuance costs	(12,842)		—
Net carrying amount	$	412,772	$	—

The net carrying amount of the equity component of the 2026 Notes is as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Debt discount for conversion option	$	77,199	$	—
Debt issuance costs	(2,424)		—
Net carrying amount	$	74,775	$	—

Interest expense related to the 2026 Notes is as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Amortization of debt discount	$	2,812	$	—
Amortization of debt issuance costs	432		—
Total interest expense	$	3,244	$	—