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Convertible Senior Notes and Capped Call Transactions (Tables)
12 Months Ended
Dec. 31, 2022
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):
As of
December 31, 2022
Liability
Principal$253,000 
Unamortized issuance costs(4,037)
Net carrying amount$248,963 
Schedule of Interest Expense
The interest expense recognized related to the 2025 Notes for the years ended December 31, 2022, 2021 and 2020 was as follows (in thousands):
December 31, 2022December 31, 2021December 31, 2020
Contractual interest expense$3,162 $3,162 $2,012 
Amortization of debt discount— 5,651 3,369 
Amortization of debt issuance costs1,486 1,219 727 
Total$4,648 $10,032 $6,108