Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Intangible Assets [Line Items]
Finite and Indefinite-Lived Intangible Assets, Gross, Total	$ 429,534	$ 325,463
Total Accumulated Amortization	(130,889)	(128,678)
Intangible Assets, Net (Excluding Goodwill)	298,645	196,785
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount, Tradename (indefinite life)	35,539	35,595
Intangible Assets, Net (Excluding Goodwill)	35,539	35,595
Customer Relationships [Member]
Intangible Assets [Line Items]
Gross amount	279,600	201,445
Accumulated Amortization	(70,393)	(68,319)
Intangible Assets, Net (Excluding Goodwill)	209,207	133,126
Proven technology and patents [Member]
Intangible Assets [Line Items]
Gross amount	98,175	78,312
Accumulated Amortization	(51,945)	(52,138)
Intangible Assets, Net (Excluding Goodwill)	46,230	26,174
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount	8,164	4,896
Accumulated Amortization	(3,415)	(3,444)
Intangible Assets, Net (Excluding Goodwill)	4,749	1,452
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross amount	8,056	5,215
Accumulated Amortization	(5,136)	(4,777)
Intangible Assets, Net (Excluding Goodwill)	$ 2,920	$ 438

The total accumulated amount of amortization of intangible assets.

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Sum of the gross carrying amount before accumulated amortization of finite-lived intangibles and the carrying amounts (original costs for current and prior period additions adjusted for impairment if any) of indefinite-lived intangibles as of the balance sheet date.

+ References

No definition available.

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Intangible Assets [Line Items]

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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)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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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
-Paragraph 1
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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