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Intangible Assets and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The following tables present goodwill information for the years ended December 31, 2021 and December 31, 2020:
(In thousands) |  | December 31, 2020 |  | Additions to Goodwill (1) |  |  |  |  |  | December 31, 2021
Total goodwill |  | $ | 183,222 |  |  | $ | 95,588 |  |  |  |  |  |  | $ | 278,810 |
______________________________________ (1) In July 2021, the Company acquired AnalogX and in August 2021, the Company acquired PLDA, which resulted in the Company recognizing additional goodwill. Refer to Note 21, “Acquisitions,” for additional information.
|  | As of December 31, 2021
(In thousands) |  | Gross Carrying Amount |  | Accumulated Impairment Losses |  | Net Carrying Amount
Total goodwill |  | $ | 300,580 |  |  | $ | (21,770) |  |  | $ | 278,810 |
(In thousands) |  | December 31, 2019 |  |  |  | Adjustment to Goodwill (1) |  |  |  | December 31, 2020
Total goodwill |  | $ | 183,465 |  |  |  |  | $ | (243) |  |  |  |  | $ | 183,222 |
______________________________________ (1) Working capital adjustments related to the acquisition of Northwest Logic, Inc. (“Northwest Logic”).
|  | As of December 31, 2020
(In thousands) |  | 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 December 31, 2021 and December 31, 2020 were as follows:
|  |  | As of December 31, 2021
(In thousands, except useful life) | Useful Life |  | Gross Carrying Amount (1) |  | Accumulated Amortization (1) |  | Net Carrying Amount
Existing technology | 3 to 10 years |  | $ | 292,058 |  |  | $ | (247,422) |  |  | $ | 44,636 |
Customer contracts and contractual relationships | 0.5 to 10 years |  | 37,793 |  |  | (35,209) |  |  | 2,584 |
Non-compete agreements and trademarks | 3 years |  | 300 |  |  | (300) |  |  | — |
IPR&D | Not applicable |  | 11,200 |  |  | — |  |  | 11,200 |
Total intangible assets |  |  | $ | 341,351 |  |  | $ | (282,931) |  |  | $ | 58,420 |
______________________________________ (1) In July 2021, the Company acquired AnalogX and in August 2021, the Company acquired PLDA, which resulted in the Company recognizing additional intangible assets. Refer to Note 21, “Acquisitions,” for additional information.
|  |  | As of December 31, 2020
(In thousands, except useful life) | Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Existing technology | 3 to 10 years |  | $ | 263,789 |  |  | $ | (230,950) |  |  | $ | 32,839 |
Customer contracts and contractual relationships | 0.5 to 10 years |  | 36,293 |  |  | (34,245) |  |  | 2,048 |
Non-compete agreements and trademarks | 3 years |  | 300 |  |  | (300) |  |  | — |
IPR&D | Not applicable |  | 1,600 |  |  | — |  |  | 1,600 |
Total intangible assets |  |  | $ | 301,982 |  |  | $ | (265,495) |  |  | $ | 36,487 |
Estimated future amortization expense of intangible assets | The estimated future amortization expense of intangible assets as of December 31, 2021 was as follows (in thousands):
Years Ending December 31: | Amount
2022 | $ | 14,507 |
2023 | 13,491 |
2024 | 11,180 |
2025 | 5,180 |
2026 | 2,862 |
Thereafter | — |
Total amortizable purchased intangible assets | 47,220 |
IPR&D | 11,200 |
Total intangible assets | $ | 58,420 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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