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Goodwill and Identified Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Changes to Carrying Value of Goodwill | The changes to the carrying value of goodwill from January 1, 2021 through December 31, 2022 are reflected below (in thousands):
|  | Amounts |
Balance at December 31, 2020 and 2021 |  | $ | 314,576 |
Goodwill adjustment related to Mergers in prior periods |  |  | (916 | )
Balance at December 31, 2022 |  | $ | 313,660 |
Identified Intangible Assets | Identified intangible assets consisted of the following (in thousands):
|  |  |  | December 31, 2022 |  |  | December 31, 2021 |
|  | Average Life (Years) |  | Gross Assets |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Assets |  |  | Accumulated Amortization |  |  | Net |
Finite-lived intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired patents / core technology |  | 3-10 |  | $ | 645,928 |  |  | $ | (270,275 | ) |  | $ | 375,653 |  |  | $ | 667,613 |  |  | $ | (219,292 | ) |  | $ | 448,321 |
Existing technology / content database |  | 5-10 |  |  | 38,681 |  |  |  | (36,614 | ) |  |  | 2,067 |  |  |  | 38,681 |  |  |  | (33,514 | ) |  |  | 5,167 |
Customer contracts and related relationships |  | 3-9 |  |  | 155,900 |  |  |  | (101,252 | ) |  |  | 54,648 |  |  |  | 155,900 |  |  |  | (62,677 | ) |  |  | 93,223 |
Trademarks/trade name |  | 4-10 |  |  | 1,300 |  |  |  | (1,192 | ) |  |  | 108 |  |  |  | 1,300 |  |  |  | (1,029 | ) |  |  | 271 |
Total intangible assets |  |  |  | $ | 841,809 |  |  | $ | (409,333 | ) |  | $ | 432,476 |  |  | $ | 863,494 |  |  | $ | (316,512 | ) |  | $ | 546,982 |
Estimated Future Amortization Expense | As of December 31, 2022, the estimated future amortization expense of total finite-lived intangible assets was as follows (in thousands):
|  | Amounts |
2023 |  | $ | 93,540 |
2024 |  |  | 68,809 |
2025 |  |  | 52,731 |
2026 |  |  | 52,597 |
2027 |  |  | 52,246 |
Thereafter |  |  | 112,553 |
|  | $ | 432,476 |

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- Definition Tabular disclosure of infinite intangible assets and amortizable intangibles assets which gross carrying amount and accumulated amortization are also presented, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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