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Intangible Assets and Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The following tables present goodwill information for the nine months ended September 30, 2023:
(In thousands) |  | As of December 31, 2022 |  |  |  |  |  |  |  | Divestiture of Goodwill (1) |  |  |  | As of September 30, 2023
Total goodwill |  | $ | 292,040 |  |  |  |  |  |  |  |  | $ | (5,228) |  |  |  |  | $ | 286,812 |
_________________________________________ (1) In September 2023, the Company divested its PHY IP group, which resulted in the Company recognizing a decrease in goodwill based on the relative fair value of the Company’s single reporting unit in proportion to the fair value of the divested PHY IP group. Refer to Note 17, “Divestiture,” for additional information.
Components of intangible assets | The components of the Company’s intangible assets as of September 30, 2023 and December 31, 2022 were as follows:
|  |  |  | As of September 30, 2023
(In thousands) |  | Useful Life |  | Gross Carrying Amount (1) |  | Accumulated Amortization (1) |  |  |  | Net Carrying Amount
Existing technology (1) |  | 3 to 10 years |  | $ | 286,712 |  |  | $ | (262,663) |  |  |  |  | $ | 24,049 |
Customer contracts and contractual relationships (1) |  | 0.5 to 10 years |  | 37,496 |  |  | (36,930) |  |  |  |  | 566 |
Trademarks |  | 3 years |  | 300 |  |  | (300) |  |  |  |  | — |
In-process research and development (“IPR&D”) (1) |  | Not applicable |  | 7,400 |  |  | — |  |  |  |  | 7,400 |
Total intangible assets |  |  |  | $ | 331,908 |  |  | $ | (299,893) |  |  |  |  | $ | 32,015 |
_________________________________________ (1) In September 2023, the Company disposed of approximately $7.4 million of net intangible assets (including $3.8 million of IPR&D) in connection with the divestiture of the Company’s PHY IP group. Refer to Note 17, “Divestiture,” for additional information.
|  |  |  | As of December 31, 2022
(In thousands) |  | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Existing technology |  | 3 to 10 years |  | $ | 299,925 |  |  | $ | (261,708) |  |  | $ | 38,217 |
Customer contracts and contractual relationships |  | 0.5 to 10 years |  | 37,996 |  |  | (36,533) |  |  | 1,463 |
Trademarks |  | 3 years |  | 300 |  |  | (300) |  |  | — |
IPR&D |  | Not applicable |  | 11,200 |  |  | — |  |  | 11,200 |
Total intangible assets |  |  |  | $ | 349,421 |  |  | $ | (298,541) |  |  | $ | 50,880 |
Estimated future amortization of intangible assets | The estimated future amortization of intangible assets as of September 30, 2023 was as follows (in thousands):
Years Ending December 31: |  | Amount
2023 (remaining three months) |  | $ | 3,513 |
2024 |  | 11,468 |
2025 |  | 5,430 |
2026 |  | 3,742 |
2027 |  | 462 |
Thereafter |  | — |
Total amortizable purchased intangible assets |  | 24,615 |
IPR&D |  | 7,400 |
Total intangible assets |  | $ | 32,015 |

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