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v3.22.2

Convertible Senior Notes (Tables) | 6 Months Ended
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Jun. 30, 2022
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | The total net proceeds from the notes are as follows (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 net carrying amount of the notes is as follows (in thousands):
| June 30, 2022 |  |  |  | December 31, 2021
| 2026 Notes |  | 2025 Notes |  |  |  | 2026 Notes |  | 2025 Notes |  |
Principal | $ | 1,000,000 |  |  | $ | 699,979 |  |  |  |  | $ | 1,000,000 |  |  | $ | 699,982 |  |  |
Unamortized issuance costs | (11,002) |  |  | (8,046) |  |  |  |  | (12,309) |  |  | (9,518) |  |  |
Net carrying amount | $ | 988,998 |  |  | $ | 691,933 |  |  |  |  | $ | 987,691 |  |  | $ | 690,464 |  |  |
Schedule Of Interest Expense Recognized | The following tables set forth the total interest expense recognized related to the notes (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
2026 notes: |  |  |  |  |  |  |
Contractual interest expense | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Amortization of issuance costs | 657 |  |  | 657 |  |  | 1,307 |  |  | 1,307 |
Total 2026 notes interest expense | $ | 657 |  |  | $ | 657 |  |  | $ | 1,307 |  |  | $ | 1,307 |
2025 notes: |  |  |  |  |  |  |
Contractual interest expense | $ | 219 |  |  | $ | 218 |  |  | $ | 434 |  |  | $ | 455 |
Amortization of issuance costs | 740 |  |  | 740 |  |  | 1,472 |  |  | 1,548 |
Total 2025 notes interest expense | $ | 959 |  |  | $ | 958 |  |  | $ | 1,906 |  |  | $ | 2,003 |
2023 notes: |  |  |  |  |  |  |
Contractual interest expense | $ | — |  |  | $ | 12 |  |  | $ | — |  |  | $ | 78 |
Amortization of issuance costs | — |  |  | 74 |  |  | — |  |  | 242 |
Total 2023 notes interest expense | $ | — |  |  | $ | 86 |  |  | $ | — |  |  | $ | 320 |

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