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Acquisitions (Details) - USD ($) $ in Thousands | Dec. 14, 2020 | Sep. 18, 2020 | Mar. 31, 2021 | Mar. 03, 2021
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Selling, General and Administrative Expenses |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related costs |  |  | $ 350 |
Argil, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Initial investment in Argil | $ 4,200 |  |  |
Air-CraftGlass |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price of acquisition |  | $ 1,100 |  |
Ownership percentage of business acquisition |  |  | 100.00% |
Argil, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price of acquisition | $ 3,700 |  |  |
Ownership percentage of business acquisition |  |  | 100.00% |
Guardian Optical Technologies |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Ownership percentage of business acquisition |  |  | 100.00% |
Business acquisition agreement, value |  |  |  | $ 12,000

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