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Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 70,758	$ 73,351
Finite-Lived Intangible Assets, Accumulated Amortization	(32,178)	(28,819)
Net	38,580	44,532
Distribution agreements/customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	22,014	22,657
Finite-Lived Intangible Assets, Accumulated Amortization	(10,209)	(9,509)
Net	$ 11,805	13,148
Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
Existing technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 40,962	41,268
Finite-Lived Intangible Assets, Accumulated Amortization	(18,534)	(16,215)
Net	$ 22,428	25,053
Finite-Lived Intangible Assets, Weighted Average Useful Life	6 years 4 months 24 days
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,578	7,828
Finite-Lived Intangible Assets, Accumulated Amortization	(3,231)	(2,861)
Net	$ 4,347	4,967
Finite-Lived Intangible Assets, Weighted Average Useful Life	7 years
In-process research and development [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 0	1,387
Finite-Lived Intangible Assets, Accumulated Amortization	0	(30)
Net	0	1,357
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	204	211
Finite-Lived Intangible Assets, Accumulated Amortization	(204)	(204)
Net	$ 0	$ 7

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Amount before 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 928
-SubTopic 340
-Section 50
-Paragraph 1
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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