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Investment in Non-Consolidated Joint Venture - Additional Information (Detail) - USD ($)
 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]                        
Dividend declared by joint venture                 $ 0     $ 0
Net sales $ 202,029,000 $ 204,961,000 $ 214,272,000 $ 212,226,000 $ 183,854,000 $ 154,824,000 $ 164,856,000 $ 163,746,000   $ 833,488,000 $ 667,280,000 488,601,000
Net income $ 3,063,000 $ 4,147,000 $ 2,031,000 $ (1,299,000) (25,015,000) $ 4,630,000 $ 6,953,000 $ 6,001,000        
Wuxi Weifu Autocam Precision Machinery Company, Ltd. [Member]                        
Schedule of Equity Method Investments [Line Items]                        
Investment in joint venture 49.00%                 49.00%    
Autocam [Member]                        
Schedule of Equity Method Investments [Line Items]                        
Dividend declared by joint venture         3,700,000       2,800,000   3,700,000 2,800,000
Dividends paid by the joint venture                   $ 3,700,000 2,800,000  
Net sales                   100,000 100,000  
Amount due from joint venture         $ 200,000           $ 200,000  
Autocam [Member] | Joint Venture [Member]                        
Schedule of Equity Method Investments [Line Items]                        
Investment in joint venture         49.00%           49.00%  
Net sales                 36,000 65,700,000 $ 55,400,000 50,500,000
Amount due from joint venture $ 100,000               $ 200,000 100,000   200,000
Net income                   $ 13,100,000 $ 11,100,000 $ 9,000,000
Withholding tax levied by Chinese government                     10.00%