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Intangible Assets and Goodwill (Tables) | 3 Months Ended
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Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The following tables present goodwill information for the three months ended March 31, 2020 (in thousands):
| As of December 31, 2019 |  | Additions to Goodwill |  | As of March 31, 2020
Total goodwill | $ | 183,465 |  |  | $ | — |  |  | $ | 183,465 |
| As of
| March 31, 2020
| Gross Carrying Amount |  | Accumulated Impairment Losses |  | Net Carrying Amount
Total goodwill | $ | 205,235 |  |  | $ | (21,770 | ) |  | $ | 183,465 |
Components of intangible assets | The components of the Company’s intangible assets as of March 31, 2020 and December 31, 2019 were as follows:
|  |  | As of March 31, 2020
(In thousands) | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Existing technology | 3 to 10 years |  | $ | 262,789 |  |  | $ | (217,767 | ) |  | $ | 45,022 |
Customer contracts and contractual relationships | 0.5 to 10 years |  | 36,293 |  |  | (33,707 | ) |  | 2,586 |
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 |  |  | $ | (251,774 | ) |  | $ | 50,208 |
|  |  | 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 March 31, 2020 was as follows (in thousands):
Years Ending December 31: |  | Amount
2020 (remaining nine months) |  | $ | 13,721 |
2021 |  | 14,411 |
2022 |  | 7,444 |
2023 |  | 6,740 |
2024 |  | 5,292 |
Thereafter |  | — |
Total amortizable purchased intangible assets |  | $ | 47,608 |
In-process research and development |  | 2,600 |
Total intangible assets |  | $ | 50,208 |

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