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Acquisitions - Narrative (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Jan. 01, 2019 | Dec. 20, 2018 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Other income, net |  |  | $ (1,255,000) | $ (1,904,000)
American Stainless Tubing, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price | $ 21,900,000 |  |  |
American Stainless Tubing, Inc. | Fair Value Adjustment to Inventory |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Other income, net |  |  |  | $ 1,100,000
Term Loan |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Debt term | 5 years | 5 years |  |
Principal amount of debt | $ 20,000,000 | $ 20,000,000 |  |

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