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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 |

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