Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 430,375	$ 325,463
Accumulated Amortization	(136,656)	(128,678)
Intangible Assets, Net (Excluding Goodwill)	293,719	196,785
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount, Tradename (indefinite life)	35,556	35,595
Intangible Assets, Net (Excluding Goodwill)	35,556	35,595
Customer Relationships [Member]
Intangible Assets [Line Items]
Gross amount	279,739	201,445
Accumulated Amortization	(73,733)	(68,319)
Intangible Assets, Net (Excluding Goodwill)	206,006	133,126
Proven technology and patents [Member]
Intangible Assets [Line Items]
Gross amount	98,791	78,312
Accumulated Amortization	(53,728)	(52,138)
Intangible Assets, Net (Excluding Goodwill)	45,063	26,174
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount	8,228	4,896
Accumulated Amortization	(3,570)	(3,444)
Intangible Assets, Net (Excluding Goodwill)	4,658	1,452
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross amount	8,061	5,215
Accumulated Amortization	(5,625)	(4,777)
Intangible Assets, Net (Excluding Goodwill)	$ 2,436	$ 438

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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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