Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Summary of Long Term Debt

The following table summarizes the long-term debt, net at June 30, 2021 and December 31, 2020 (in thousands):

	June 30, 2021		December 31, 2020
0.25% Convertible Senior Notes due 2028
Principal	$	345,000	$	—
Unamortized debt discount	(9,688)		—
Unamortized debt issuance costs	(224)		—
Total 0.25% Convertible Senior Notes due 2028	$	335,088	$	—
1.25% Convertible Senior Notes due 2025
Principal	$	201,250	$	201,250
Unamortized debt discount	(4,682)		(32,592)
Unamortized debt issuance costs	(579)		(538)
Total 1.25% Convertible Senior Notes due 2025	$	195,989	$	168,120
Equipment financing obligations	2,361		3,808
Total debt	$	533,438	$	171,928
Less: Current portion of equipment financing obligations	(1,913)		(2,841)
Total long-term debt, net	$	531,525	$	169,087

Summary of Maturities of Long-Term Debt

Maturities of long-term debt as of June 30, 2021 are summarized as follows (in thousands):

	0.25% Convertible Senior Notes		1.25% Convertible Senior Notes		Equipment Financing Obligations		Total Debt
Remainder of 2021	$	—	$	—	$	1,086	$	1,086
2022	—		—		1,196		1,196
2023	—		—		77		77
2024	—		—		2		2
2025	—		201,250		—		201,250
2026	—		—		—		—
Thereafter	345,000		—		—		345,000
Total Debt	$	345,000	$	201,250	$	2,361	$	548,611
Less: Current portion of long-term debt	—		—		(1,913)		(1,913)
Less: Unamortized debt discount	(9,688)		(4,682)		—		(14,370)
Less: Unamortized debt issuance costs	(224)		(579)		—		(803)
Long-term debt, net	$	335,088	$	195,989	$	448	$	531,525