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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization of Intangible Assets | $ 500 | $ 300 | $ 1,100 | $ 800 |
2019 | 1,100 |  | 1,100 |  |
2020 | 1,500 |  | 1,500 |  |
2021 | 1,400 |  | 1,400 |  |
2022 | 1,400 |  | 1,400 |  |
2023 | 1,400 |  | $ 1,400 |  |
Remaining amortization period |  |  | 14 years 9 months 18 days |  |
Net finite-lived intangible assets | 15,216 |  | $ 15,216 |  | $ 8,458
Indefinite-lived intangible assets represents goodwill | 25,278 |  | 25,278 |  | $ 15,621
SubCon and MICOS Telcom [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangible assets represents goodwill | 10,403 |  | $ 10,403 |  |
Patents [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Remaining amortization period |  |  | 6 years 3 months 18 days |  |
Land Use Rights [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Remaining amortization period |  |  | 56 years |  |
Trademarks [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Remaining amortization period |  |  | 7 years 9 months 18 days |  |
Technology [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Remaining amortization period |  |  | 13 years 8 months 12 days |  |
Technology [Member] | SubCon and MICOS Telcom [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Net finite-lived intangible assets | 3,700 |  | $ 3,700 |  |
Customer Relationships [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Remaining amortization period |  |  | 12 years 3 months 18 days |  |
Customer Relationships [Member] | SubCon and MICOS Telcom [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Net finite-lived intangible assets | $ 3,900 |  | $ 3,900 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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