Commitments and Contingencies - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2020 USD ($) press	Dec. 31, 2020 USD ($) press	Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Insurance proceeds received		$ 3,452	$ 3,500
Gain on insurance proceeds received		2,495	0
Recoverable amounts of business interruption expenses		546
Quality Aluminum Forge, LLC Manufacturing Facility Fire
Loss Contingencies [Line Items]
Insurance proceeds received	$ 3,148
Gain on insurance proceeds received		2,495
Recoverable amounts of business interruption expenses		546
Quality Aluminum Forge, LLC Manufacturing Facility Fire | Income (loss) before income tax (benefit) expense
Loss Contingencies [Line Items]
Gain on insurance proceeds received		$ 3,099	$ 1,170
Quality Aluminum Forge, LLC Manufacturing Facility Fire | Damage from Fire, Explosion or Other Hazard
Loss Contingencies [Line Items]
Number of presses to be restored | press	2	2
Number of presses damaged | press	6	6
Class Action Suit in Superior Court of California, Orange County - Violation of Wage-and-hour Laws
Loss Contingencies [Line Items]
Estimated loss on class action lawsuit	$ 315	$ 315