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Goodwill and Intangible Assets Intangibles Table (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross | $ 168,417 |  | $ 167,044 |
Finite-Lived Intangible Assets, Accumulated Amortization | 35,533 |  | 31,516 |
Finite-Lived Intangible Assets, Net | 132,884 |  | 135,528 |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 3,761 |  | 8,225 |
Intangible Assets, Gross (Excluding Goodwill) | 172,178 |  | 175,269 |
INTANGIBLE ASSETS, net | $ 136,645 |  | 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 | $ 17,664 |  | 17,064 |
Finite-Lived Intangible Assets, Accumulated Amortization | 11,249 |  | 10,970 |
Finite-Lived Intangible Assets, Net | $ 6,415 |  | 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 | 4,987 |  | 4,892 |
Finite-Lived Intangible Assets, Net | $ 332 |  | 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 | $ 55,131 |  | 55,080 |
Finite-Lived Intangible Assets, Accumulated Amortization | 8,187 |  | 6,562 |
Finite-Lived Intangible Assets, Net | $ 46,944 |  | 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 | 1,218 |  | 1,096 |
Finite-Lived Intangible Assets, Net | $ 6,092 |  | 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 | $ 82,568 |  | 81,846 |
Finite-Lived Intangible Assets, Accumulated Amortization | 9,467 |  | 7,571 |
Finite-Lived Intangible Assets, Net | $ 73,101 |  | $ 74,275 |
[1] | December 31, 2017 balances were derived from audited consolidated financial statements.

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