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Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 322,599 | $ 318,464
Accumulated Amortization | (123,448) | (112,222)
Intangible Assets, Net (Excluding Goodwill) | 199,151 | 206,242
Tradename (indefinite life) [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount, Tradename (indefinite life) | 35,524 | 35,474
Intangible Assets, Net (Excluding Goodwill) | 35,524 | 35,474
Customer Relationships [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 200,528 | 197,764
Accumulated Amortization | (65,555) | (58,851)
Intangible Assets, Net (Excluding Goodwill) | 134,973 | 138,913
Proven technology and patents [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 76,689 | 75,170
Accumulated Amortization | (50,223) | (46,532)
Intangible Assets, Net (Excluding Goodwill) | 26,466 | 28,638
Tradename (indefinite life) [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 4,657 | 4,594
Accumulated Amortization | (3,258) | (3,124)
Intangible Assets, Net (Excluding Goodwill) | 1,399 | 1,470
Other Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 5,201 | 5,462
Accumulated Amortization | (4,412) | (3,715)
Intangible Assets, Net (Excluding Goodwill) | $ 789 | $ 1,747

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