Investment in Joint Venture - Additional Information (Detail) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2020	Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]
Net sales	$ 150,420,000	$ 221,666,000		$ 350,165,000	$ 434,922,000
Joint Venture
Schedule of Equity Method Investments [Line Items]
Impairment charge			$ 16,600,000	$ 0
Wuxi Weifu Autocam Precision Machinery Company, Ltd.
Schedule of Equity Method Investments [Line Items]
Investment in joint venture	49.00%			49.00%
Product | Joint Venture
Schedule of Equity Method Investments [Line Items]
Net sales	$ 100,000	$ 100,000		$ 100,000	$ 100,000