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Major Customers (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) customer | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of major customers | customer |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |
Net sales | $ 86,443 | $ 101,606 | $ 98,735 | $ 90,592 | $ 73,168 | $ 81,025 | $ 80,461 | $ 72,829 | $ 60,654 | $ 59,873 | $ 37,806 | $ 64,023 | $ 377,376 | $ 307,483 | $ 222,356
Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | 83,143 | 92,340 | 93,317 | 89,901 | 68,132 | 67,643 | 79,117 | 69,133 | 58,563 | 54,240 | 35,847 | 61,930 | 358,701 | 284,025 | 210,580
Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 3,300 | $ 9,266 | $ 5,418 | $ 691 | $ 5,036 | $ 13,382 | $ 1,344 | $ 3,696 | $ 2,091 | $ 5,633 | $ 1,959 | $ 2,093 | 18,675 | 23,458 | 11,776
BRP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 52,670 | 37,813 | 21,931
BRP | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 51,057 | 35,078 | 20,269
BRP | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 1,613 | 2,735 | 1,662
Navistar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 63,904 | 46,508 | 40,225
Navistar | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 60,778 | 39,546 | 33,656
Navistar | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 3,126 | 6,962 | 6,569
PACCAR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 37,945 | 35,561 | 28,504
PACCAR | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 36,652 | 33,545 | 27,997
PACCAR | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 1,293 | 2,016 | 507
UFP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 33,638 | 38,292 | 38,530
UFP | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 33,638 | 38,292 | 38,530
UFP | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Volvo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 51,643 | 35,977 | 25,724
Volvo | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 51,428 | 35,854 | 23,538
Volvo | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 215 | 123 | 2,186
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 137,576 | 113,332 | 67,442
Other | Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 125,148 | 101,710 | 66,590
Other | Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,428 | $ 11,622 | $ 852

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