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Goodwill and Intangible Assets Intangibles Table (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | $ 179,556 | $ 173,372 |
Finite-Lived Intangible Assets, Accumulated Amortization | 56,246 | 48,186 |
Finite-Lived Intangible Assets, Net | 123,310 | 125,186 |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 10,744 | 8,235 |
Intangible Assets, Gross (Excluding Goodwill) | 190,300 | 181,607 |
INTANGIBLE ASSETS, net | $ 134,054 | $ 133,421 | [1]
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 10 years | 10 years |
Finite-Lived Intangible Assets, Gross | $ 20,928 | $ 19,399 |
Finite-Lived Intangible Assets, Accumulated Amortization | 12,812 | 12,147 |
Finite-Lived Intangible Assets, Net | $ 8,116 | $ 7,252 |
Customer Contracts [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 years | 9 years |
Finite-Lived Intangible Assets, Gross | $ 10,002 | $ 5,319 |
Finite-Lived Intangible Assets, Accumulated Amortization | 5,319 | 5,272 |
Finite-Lived Intangible Assets, Net | $ 4,683 | $ 47 |
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 | $ 58,039 | $ 57,916 |
Finite-Lived Intangible Assets, Accumulated Amortization | 16,824 | 13,363 |
Finite-Lived Intangible Assets, Net | $ 41,215 | $ 44,553 |
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 | $ 7,456 | $ 7,456 |
Finite-Lived Intangible Assets, Accumulated Amortization | 1,876 | 1,618 |
Finite-Lived Intangible Assets, Net | $ 5,580 | $ 5,838 |
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 | $ 82,706 | $ 82,857 |
Finite-Lived Intangible Assets, Accumulated Amortization | 18,990 | 15,361 |
Finite-Lived Intangible Assets, Net | $ 63,716 | $ 67,496 |
[1] | December 31, 2018 balances were derived from audited consolidated financial statements.

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