Investment in Non-Consolidated Joint Venture - Additional Information (Detail) - USD ($)	3 Months Ended								4 Months Ended	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Dividend declared by joint venture					$ 0				$ 0		$ 0
Net sales	$ 183,854,000	$ 154,824,000	$ 164,856,000	$ 163,746,000	153,761,000	$ 125,632,000	$ 106,680,000	$ 102,528,000		$ 667,280,000	488,601,000	$ 373,206,000
Net income	$ (25,015,000)	$ 4,630,000	$ 6,953,000	$ 6,001,000	1,619,000	$ (3,840,000)	$ 5,200,000	$ 5,238,000
Wuxi Weifu Autocam Precision Machinery Company, Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Acquired investment in joint venture	49.00%									49.00%
Autocam [Member]
Schedule of Equity Method Investments [Line Items]
Dividend declared by joint venture					2,800,000				2,800,000		2,800,000
Net sales										$ 100,000
Amount due from joint venture	$ 200,000									$ 200,000
Autocam [Member] | Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Acquired investment in joint venture	49.00%									49.00%
Net sales									36,000	$ 55,400,000	50,500,000
Amount due from joint venture					$ 200,000				$ 200,000		200,000
Net income										$ 11,100,000	$ 9,000,000
Withholding tax levied by Chinese government										10.00%