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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Amortized Intangible Assets | Intangible assets consisted of the following (in thousands):
| Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
Distribution networks | $ | 38,060 |  |  | $ | 38,060 |  |  | $ | — |
Completed technologies | 24,217 |  |  | 12,397 |  |  | 11,820 |
Customer relationships | 10,578 |  |  | 7,160 |  |  | 3,418 |
Non-compete agreements | 710 |  |  | 436 |  |  | 274 |
Trademarks | 110 |  |  | 67 |  |  | 43 |
Balance as of December 31, 2020 | $ | 73,675 |  |  | $ | 58,120 |  |  | $ | 15,555 |
| Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
Distribution networks | $ | 38,060 |  |  | $ | 38,060 |  |  | $ | — |
Completed technologies | 31,987 |  |  | 9,160 |  |  | 22,827 |
Customer relationships | 14,407 |  |  | 6,402 |  |  | 8,005 |
In-process technologies | 8,200 |  |  | — |  |  | 8,200 |
Non-compete agreements | 710 |  |  | 350 |  |  | 360 |
Trademarks | 110 |  |  | 12 |  |  | 98 |
Balance as of December 31, 2019 | $ | 93,474 |  |  | $ | 53,984 |  |  | $ | 39,490 |
Estimated Amortization Expense Succeeding Fiscal Years | Estimated amortization expense for each of the five succeeding fiscal years and thereafter is as follows (in thousands):
Year Ended December 31, |  | Amount
2021 |  | $ | 3,656 |
2022 |  | 3,286 |
2023 |  | 2,594 |
2024 |  | 2,080 |
2025 |  | 1,757 |
Thereafter |  | 2,182 |
|  | $ | 15,555 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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