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Intangible Assets and Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2020
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, 2020 (in thousands):
| As of December 31, 2019 |  | Adjustment to Goodwill * |  |  |  |  |  |  |  | As of June 30, 2020
Total goodwill | $ | 183,465 |  |  | $ | (243) |  |  |  |  |  |  |  |  | $ | 183,222 |
_________________________________________ * Working capital adjustments related to the acquisition of Northwest Logic.
| As of June 30, 2020 |  |  |  |  |  |
| Gross Carrying Amount |  | Accumulated Impairment Losses |  |  |  | Net Carrying Amount
Total goodwill | $ | 204,992 |  |  | $ | (21,770) |  |  |  |  | $ | 183,222 |
Components of intangible assets | The components of the Company’s intangible assets as of June 30, 2020 and December 31, 2019 were as follows:
|  |  | As of June 30, 2020 |  |  |  |  |  |
(In thousands) | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  |  |  | Net Carrying Amount
Existing technology | 3 to 10 years |  | $ | 262,789 |  |  | $ | (222,171) |  |  |  |  | $ | 40,618 |
Customer contracts and contractual relationships | 0.5 to 10 years |  | 36,293 |  |  | (33,887) |  |  |  |  | 2,406 |
Non-compete agreements and trademarks | 3 years |  | 300 |  |  | (300) |  |  |  |  | — |
In-process research and development | Not applicable |  | 2,600 |  |  | — |  |  |  |  | 2,600 |
Total intangible assets |  |  | $ | 301,982 |  |  | $ | (256,358) |  |  |  |  | $ | 45,624 |
|  |  | As of December 31, 2019 |  |  |  |
(In thousands) | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Existing technology | 3 to 10 years |  | $ | 262,789 |  |  | $ | (213,354) |  |  | $ | 49,435 |
Customer contracts and contractual relationships | 0.5 to 10 years |  | 36,293 |  |  | (33,428) |  |  | 2,865 |
Non-compete agreements and trademarks | 3 years |  | 300 |  |  | (300) |  |  | — |
In-process research and development | Not applicable |  | 2,600 |  |  | — |  |  | 2,600 |
Total intangible assets |  |  | $ | 301,982 |  |  | $ | (247,082) |  |  | $ | 54,900 |
Estimated future amortization of intangible assets | The estimated future amortization of intangible assets as of June 30, 2020 was as follows (in thousands):
Years Ending December 31: |  | Amount
2020 (remaining six months) |  | $ | 9,137 |
2021 |  | 14,411 |
2022 |  | 7,444 |
2023 |  | 6,740 |
2024 |  | 5,292 |
Thereafter |  | — |
Total amortizable purchased intangible assets |  | 43,024 |
In-process research and development |  | 2,600 |
Total intangible assets |  | $ | 45,624 |

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