Debt - Summary of Long Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Jan. 11, 2021	Dec. 31, 2020	May 04, 2020
Debt Instrument [Line Items]
Unamortized debt discount	$ (13,053)
Less: Unamortized debt issuance costs	(714)
Equipment financing obligations	1,206				$ 3,808
Total debt	533,689				171,928
Less: Current portion of equipment financing obligations	(1,135)				(2,841)
Total long-term debt, net	532,554				169,087
0.25% Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Stated interest rate (as a percent)		0.25%	0.25%	0.25%
Principal	345,000				0
Unamortized debt discount	(8,963)				0
Less: Unamortized debt issuance costs	(208)				0
Long-term debt	335,829				0
1.25% Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Stated interest rate (as a percent)		1.25%	1.25%			1.25%
Principal	201,250				201,250
Unamortized debt discount	(4,090)				(32,592)
Less: Unamortized debt issuance costs	(506)				(538)
Long-term debt	196,654				168,120
Finance Obligations
Debt Instrument [Line Items]
Unamortized debt discount	0
Less: Unamortized debt issuance costs	0
Less: Current portion of equipment financing obligations	$ (1,135)				$ (2,841)