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Indebtedness (Tables)
 9 Months Ended
Sep. 30, 2022
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
Debt consisted of the following (in thousands):
September 30, 2022December 31, 2021
Debt, current portion$11,613 $— 
Debt, non-current portion15,484 30,000 
Total debt27,097 30,000 
Less: unamortized debt discount and issuance costs(650)(921)
Debt, net$26,447 $29,079 
Schedule of Future Minimum Principal Payments
The scheduled future minimum principal payments are as follows (in thousands):
September 30, 2022
2022 (remaining 3 months)$2,903 
202311,613 
202411,613 
2025968 
Total$27,097 
Schedule of Net Carrying Amount of Liability Component
The net carrying amount of the liability component of the 2027 Notes was as follows (in thousands):
September 30, 2022December 31, 2021
Principal amount$200,000 $200,000 
Unamortized debt discount(4,220)(49,716)
Unamortized debt issuance cost(284)(246)
Net carrying amount$195,496 $150,038 
Schedule of Equity Components
The net carrying amount of the equity component of the 2027 Notes was as follows (in thousands):
September 30, 2022December 31, 2021
Debt discount related to the value of conversion option$— $53,635 
Debt issuance cost— (109)
Net carrying amount$— $53,526 
Schedule of Interest Expense Recognized
The following table sets forth the interest expense recognized related to the 2027 Notes (in thousands):
Three months ended September 30,Nine months ended September 30,
2022202120222021
Contractual interest expense$2,500 $2,500 $7,500 $7,472 
Amortization of debt discount197 1,606 582 4,713 
Amortization of debt issuance cost13 7 39 23 
Total interest expense related to the 2027 Notes$2,710 $4,113 $8,121 $12,208