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Goodwill and Intangible Assets Intangibles Table (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | $ 169,503 | $ 167,044 |
Finite-Lived Intangible Assets, Accumulated Amortization | 43,736 | 31,516 |
Finite-Lived Intangible Assets, Net | 125,767 | 135,528 |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 6,044 | 8,225 |
Intangible Assets, Gross (Excluding Goodwill) | 175,547 | 175,269 |
INTANGIBLE ASSETS, net | $ 131,811 | $ 143,753 | [1]
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 10 years | 10 years |
Finite-Lived Intangible Assets, Gross | $ 18,906 | $ 17,064 |
Finite-Lived Intangible Assets, Accumulated Amortization | 11,839 | 10,970 |
Finite-Lived Intangible Assets, Net | $ 7,067 | $ 6,094 |
Customer Contracts [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 9 years | 9 years |
Finite-Lived Intangible Assets, Gross | $ 5,319 | $ 5,319 |
Finite-Lived Intangible Assets, Accumulated Amortization | 5,177 | 4,892 |
Finite-Lived Intangible Assets, Net | $ 142 | $ 427 |
Customer-Related Intangible Assets [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 9 years | 9 years |
Finite-Lived Intangible Assets, Gross | $ 55,695 | $ 55,080 |
Finite-Lived Intangible Assets, Accumulated Amortization | 11,553 | 6,562 |
Finite-Lived Intangible Assets, Net | $ 44,142 | $ 48,518 |
Trademarks [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 4 years | 4 years |
Finite-Lived Intangible Assets, Gross | $ 425 | $ 425 |
Finite-Lived Intangible Assets, Accumulated Amortization | 425 | 425 |
Finite-Lived Intangible Assets, Net | $ 0 | $ 0 |
Trade Names [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 15 years | 15 years |
Finite-Lived Intangible Assets, Gross | $ 7,310 | $ 7,310 |
Finite-Lived Intangible Assets, Accumulated Amortization | 1,462 | 1,096 |
Finite-Lived Intangible Assets, Net | $ 5,848 | $ 6,214 |
Developed Technology Rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 11 years | 11 years |
Finite-Lived Intangible Assets, Gross | $ 81,848 | $ 81,846 |
Finite-Lived Intangible Assets, Accumulated Amortization | 13,280 | 7,571 |
Finite-Lived Intangible Assets, Net | $ 68,568 | $ 74,275 |
[1] | December 31, 2017 balances were derived from audited consolidated financial statements.

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