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Convertible Senior Notes (Tables) | 12 Months Ended
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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 Notes |  | 2025 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, 2023 |  | December 31, 2022
| 2026 Notes |  | 2025 Notes |  |  |  | 2026 Notes |  | 2025 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 costs | 1,035 |  |  | 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 costs | 2,121 |  |  | 2,970 |  |  | 3,045 |
Total 2025 notes interest expense | $ | 2,742 |  |  | $ | 3,844 |  |  | $ | 3,941 |

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