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Convertible Senior Notes and Capped Call Transactions (Tables)
 9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Schedule of Net Carrying Amount of Liability and Equity Components of Convertible Notes
The net carrying amount of the 2025 Notes was as follows (in thousands):
September 30, 2023December 31, 2022
(unaudited)
Principal$253,000 $253,000 
Unamortized issuance costs(2,904)(4,037)
Net carrying amount$250,096 $248,963 
Schedule of Interest Expense
The interest expense recognized related to the 2025 Notes for the three and nine months ended September 30, 2023 and 2022 was as follows (in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2023202220232022
(unaudited)
(unaudited)
Contractual interest expense$791 $791 $2,372 $2,372 
Amortization of debt issuance costs379 372 1,133 1,112 
Total$1,170 $1,163 $3,505 $3,484