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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Goodwill [Line Items] |  |
Gross Value | $ 37,025 | $ 14,728
Accumulated Amortization | (10,694) | (10,067)
Net Value | 26,331 | 4,661
Customer Relationships [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 20,998 | 7,474
Accumulated Amortization | (4,576) | (4,283)
Net Value | 16,422 | 3,191
Licensed Technology [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 5,900 |
Accumulated Amortization | (27) |
Net Value | 5,873 |
Developed Technology [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 5,597 | 5,524
Accumulated Amortization | (4,827) | (4,663)
Net Value | 770 | 861
Intellectual Property [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 930 | 930
Accumulated Amortization | (886) | (852)
Net Value | 44 | 78
Supplier Relationship [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 2,800 |
Accumulated Amortization | (58) |
Net Value | 2,742 |
Trade Names [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 100 | 100
Accumulated Amortization | (77) | (65)
Net Value | 23 | 35
Patent [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 500 | 500
Accumulated Amortization | (106) | (89)
Net Value | 394 | 411
Non-compete [Member] |  |
Goodwill [Line Items] |  |
Gross Value | 200 | 200
Accumulated Amortization | (137) | (115)
Net Value | $ 63 | $ 85

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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/presentationRef -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 + Details
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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/presentationRef -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 + Details
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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://www.xbrl.org/2003/role/presentationRef -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 + Details
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