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Financing Arrangements (Tables)
 6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
Schedule of Convertible Debt
The net carrying amounts of the 2026 Notes were as follows:
June 30, 2024December 31, 2023
(in thousands)
Principal$1,293,750 $1,293,750 
Unamortized debt issuance costs(8,408)(10,388)
Carrying amount, net$1,285,342 $1,283,362 
Schedule of Interest Expense
The following tables set forth total interest expense recognized related to the Notes:
Three Months Ended June 30,
20242023
2026 Notes2025 Notes2026 Notes2025 Notes
(in thousands)
Coupon interest expense$— $— $— $168 
Amortization of debt issuance costs990 — 991 316 
Total$990 $— $991 $484 
Six Months Ended June 30,
20242023
2026 Notes2025 Notes2026 Notes2025 Notes
(in thousands)
Coupon interest expense$— $— $— $465 
Amortization of debt issuance costs1,980 — 1,981 489 
Total$1,980 $— $1,981 $954