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Debt, Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 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):
June 30,
2021		December 31,
2020
Principal$500,000 $— 
Unamortized debt discount(70,794)— 
Unamortized debt issuance costs(12,285)— 
Net carrying amount$416,921 $— 
The net carrying amount of the equity component of the 2026 Notes is as follows (in thousands):
June 30,
2021		December 31,
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
June 30,		Six Months Ended
June 30,
2021202020212020
Amortization of debt discount$3,592 $— $6,404 $— 
Amortization of debt issuance costs557 — 989 — 
Total interest expense$4,149 $— $7,393 $—