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Intangible Assets and Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The following tables present goodwill information for the six months ended June 30, 2024:
(In thousands) |  | As of December 31, 2023 |  |  |  |  |  |  |  | Adjustments to Goodwill |  |  |  | As of June 30, 2024
Total goodwill |  | $ | 286,812 |  |  |  |  |  |  |  |  | $ | — |  |  |  |  | $ | 286,812 |
Components of intangible assets | The components of the Company’s intangible assets as of June 30, 2024 and December 31, 2023 were as follows:
|  |  |  | As of June 30, 2024
(In thousands) |  | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  |  |  | Net Carrying Amount
Existing technology |  | 3 to 10 years |  | $ | 286,712 |  |  | $ | (271,948) |  |  |  |  | $ | 14,764 |
Customer contracts and contractual relationships |  | 0.5 to 10 years |  | 37,496 |  |  | (37,381) |  |  |  |  | 115 |
Trademarks |  | 3 years |  | 300 |  |  | (300) |  |  |  |  | — |
In-process research and development (“IPR&D”) |  | Not applicable |  | 7,400 |  |  | — |  |  |  |  | 7,400 |
Total intangible assets |  |  |  | $ | 331,908 |  |  | $ | (309,629) |  |  |  |  | $ | 22,279 |
|  |  |  | As of December 31, 2023
(In thousands) |  | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Existing technology |  | 3 to 10 years |  | $ | 286,712 |  |  | $ | (265,756) |  |  | $ | 20,956 |
Customer contracts and contractual relationships |  | 0.5 to 10 years |  | 37,496 |  |  | (37,083) |  |  | 413 |
Trademarks |  | 3 years |  | 300 |  |  | (300) |  |  | — |
IPR&D |  | Not applicable |  | 7,400 |  |  | — |  |  | 7,400 |
Total intangible assets |  |  |  | $ | 331,908 |  |  | $ | (303,139) |  |  | $ | 28,769 |
Estimated future amortization of intangible assets | The estimated future amortization of intangible assets as of June 30, 2024 was as follows (in thousands):
Years Ending December 31: |  | Amount
2024 (remaining six months) |  | $ | 5,262 |
2025 |  | 5,423 |
2026 |  | 3,735 |
2027 |  | 459 |
Total amortizable purchased intangible assets |  | 14,879 |
IPR&D |  | 7,400 |
Total intangible assets |  | $ | 22,279 |

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