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Indebtedness (Tables)
 6 Months Ended
Jun. 30, 2022
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
Debt consisted of the following (in thousands):
June 30, 2022December 31, 2021
Debt, current portion$11,613 $— 
Debt, non-current portion18,387 30,000 
Total debt30,000 30,000 
Less: unamortized debt discount and issuance costs(742)(921)
Debt, net$29,258 $29,079 
Schedule of Future Minimum Principal Payments
The scheduled future minimum principal payments are as follows (in thousands):
June 30, 2022
2022 (remaining 6 months)$5,806 
202311,613 
202411,613 
2025968 
Total$30,000 
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):
June 30, 2022December 31, 2021
Principal amount$200,000 $200,000 
Unamortized debt discount(4,417)(49,716)
Unamortized debt issuance cost(297)(246)
Net carrying amount$195,286 $150,038 
Schedule of Equity Components
The net carrying amount of the equity component of the 2027 Notes was as follows (in thousands):
June 30, 2022December 31, 2021
Debt discount related to the value of conversion option$— $53,635 
Debt issuance cost— (109)
Net carrying amount$— $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 June 30,Six months ended June 30,
2022202120222021
Contractual interest expense$2,500 $2,472 $5,000 $4,972 
Amortization of debt discount194 1,589 386 3,107 
Amortization of debt issuance cost13 8 26 16 
Total interest expense related to the 2027 Notes$2,707 $4,069 $5,412 $8,095