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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2023 USD ($) segment | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Goodwill [Line Items] |  |  |  |  |
Number of operating segments | segment |  |  | 2 |  |
Number of reportable segments | segment |  |  | 2 |  |
Goodwill |  |  | $ 188,409 | $ 188,434 | $ 188,443
Amortization of intangibles |  |  | 12,813 | 15,211 | 22,858
2023 |  |  | 12,200 |  |
2024 |  |  | 11,200 |  |
2025 |  |  | 10,700 |  |
2026 |  |  | 10,200 |  |
2027 |  |  | 9,700 |  |
Extract Technology |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, written off related to sale of business unit | $ 11,100 |  |  |  |
Extract Technology | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment of intangible assets | $ 1,300 |  |  |  |
Beall Tank Trailers | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, written off related to sale of business unit |  | $ 11,100 |  |  |
Transportation Solutions |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  |  | 120,486 | $ 120,502 | $ 120,507
Parts & Services |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  |  | $ 67,900 |  |

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