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Investment in Non-Consolidated Joint Venture - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Schedule of Equity Method Investments [Line Items] |  |  |  |
Net sales | $ 225,875 | $ 214,272 | $ 452,189 | $ 426,498
Autocam [Member] | Joint Venture [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Net sales | 100 |  | 100 |
Amount due from joint venture | $ 100 |  | $ 100 |
Wuxi Weifu Autocam Precision Machinery Company, Ltd. [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment in joint venture | 49.00% |  | 49.00% |

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