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Convertible Senior Notes (Tables)
 3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
The total net proceeds from the notes are as follows (in thousands):
2026 Notes2025 Notes
Principal amount$1,000,000 $800,000 
Less initial purchasers’ discount(15,000)(18,998)
Less other issuance costs(904)(822)
Net proceeds$984,096 $780,180 
Schedule of Debt
The net carrying amount of the notes is as follows (in thousands):
March 31, 2023December 31, 2022
2026 Notes2025 Notes2026 Notes2025 Notes
Principal$500,000 $699,979 $500,000 $699,979 
Unamortized issuance costs(4,512)(5,817)(4,837)(6,549)
Net carrying amount$495,488 $694,162 $495,163 $693,430 
Schedule Of Interest Expense Recognized
The following table sets forth the total interest expense recognized related to the notes (in thousands):

Three Months Ended March 31,
20232022
2026 notes:
Contractual interest expense$— $— 
Amortization of issuance costs325 650 
Total 2026 notes interest expense$325 $650 
2025 notes:
Contractual interest expense$216 $215 
Amortization of issuance costs732 732 
Total 2025 notes interest expense$948 $947