Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Summary of Long Term Debt

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

	September 30, 2021		December 31, 2020
0.25% Convertible Senior Notes due 2028
Principal	$	345,000	$	—
Unamortized debt discount	(9,326)		—
Unamortized debt issuance costs	(216)		—
Total 0.25% Convertible Senior Notes due 2028	$	335,458	$	—
1.25% Convertible Senior Notes due 2025
Principal	$	201,250	$	201,250
Unamortized debt discount	(4,386)		(32,592)
Unamortized debt issuance costs	(543)		(538)
Total 1.25% Convertible Senior Notes due 2025	$	196,321	$	168,120
Equipment financing obligations	1,716		3,808
Total debt	$	533,495	$	171,928
Less: Current portion of equipment financing obligations	(1,564)		(2,841)
Total long-term debt, net	$	531,931	$	169,087

Summary of Maturities of Long-Term Debt

Maturities of long-term debt as of September 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	$	—	$	—	$	716	$	716
2022	—		—		930		930
2023	—		—		69		69
2024	—		—		1		1
2025	—		201,250		—		201,250
Thereafter	345,000		—		—		345,000
Total Debt	$	345,000	$	201,250	$	1,716	$	547,966
Less: Current portion of long-term debt	—		—		(1,564)		(1,564)
Less: Unamortized debt discount	(9,326)		(4,386)		—		(13,712)
Less: Unamortized debt issuance costs	(216)		(543)		—		(759)
Long-term debt, net	$	335,458	$	196,321	$	152	$	531,931