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Convertible Senior Notes (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Debt
Convertible Senior Notes consist of the following as of March 31, 2022 and December 31, 2021 (in thousands):
March 31, 2022December 31, 2021
Principal amount of Convertible Senior Notes$75,000 $75,000 
Unamortized debt issuance costs(1,838)(2,032)
Net carrying amount$73,162 $72,968