Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 321,696	$ 318,464
Accumulated Amortization	(119,565)	(112,222)
Intangible Assets, Net (Excluding Goodwill)	202,131	206,242
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount, Tradename (indefinite life)	35,474	35,474
Intangible Assets, Net (Excluding Goodwill)	35,474	35,474
Customer Relationships [Member]
Intangible Assets [Line Items]
Gross amount	200,104	197,764
Accumulated Amortization	(63,108)	(58,851)
Intangible Assets, Net (Excluding Goodwill)	136,996	138,913
Proven technology and patents [Member]
Intangible Assets [Line Items]
Gross amount	75,857	75,170
Accumulated Amortization	(48,797)	(46,532)
Intangible Assets, Net (Excluding Goodwill)	27,060	28,638
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount	4,556	4,594
Accumulated Amortization	(3,149)	(3,124)
Intangible Assets, Net (Excluding Goodwill)	1,407	1,470
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross amount	5,705	5,462
Accumulated Amortization	(4,511)	(3,715)
Intangible Assets, Net (Excluding Goodwill)	$ 1,194	$ 1,747

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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