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Convertible Senior Notes (Tables)
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Schedule Of Net Proceeds From Debt Issuance
The following table presents the total net proceeds from the notes (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 following table presents the net carrying amount of the notes (in thousands):
December 31, 2023December 31, 2022
2026 Notes2025 Notes2026 Notes2025 Notes
Principal amount$244,479 $358,914 $500,000 $699,979 
Unamortized issuance costs(1,721)(1,835)(4,837)(6,549)
Net carrying amount$242,758 $357,079 $495,163 $693,430 
Schedule Of Interest Expense Recognized
The following table presents the total interest expense recognized related to the notes (in thousands):
Years Ended December 31,
2023
2022
2021
2026 notes:
Contractual interest expense
$— $— $— 
Amortization of issuance costs1,035 2,196 2,635 
Total 2026 notes interest expense$1,035 $2,196 $2,635 
2025 notes:
Contractual interest expense$621 $874 $896 
Amortization of issuance costs2,121 2,970 3,045 
Total 2025 notes interest expense$2,742 $3,844 $3,941