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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Gross Value	$ 42,475	$ 45,326
Accumulated Amortization	(13,362)	(12,143)
Net Value	29,113	33,183
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	22,235	22,455
Accumulated Amortization	(6,671)	(5,380)
Net Value	15,564	17,075
Developed Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	10,170	12,801
Accumulated Amortization	(3,094)	(4,867)
Net Value	7,076	7,934
Licensed Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	5,900	5,900
Accumulated Amortization	(1,011)	(520)
Net Value	4,889	5,380
Supplier Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	2,800	2,800
Accumulated Amortization	(2,158)	(1,108)
Net Value	642	1,692
Licensing Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	560	560
Accumulated Amortization	(61)	(5)
Net Value	499	555
Patent [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	500	500
Accumulated Amortization	(209)	(157)
Net Value	291	343
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Gross Value	310	310
Accumulated Amortization	(158)	(106)
Net Value	$ 152	$ 204

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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://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.

+ References

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