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INVENTORY | 9 Months Ended
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Sep. 30, 2025
INVENTORIES |
INVENTORIES | 2. INVENTORY Inventory costs include materials, labor, and factory overhead. Inventories are stated at the lower of cost or net realizable value, primarily determined on a moving average unit cost basis. Appropriate consideration is given to obsolescence, valuation, and other factors in determining net realizable value. Revisions of these estimates could result in the need for adjustments. Inventories, net of reserves, consisted of the following:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
(in thousands) |  | 2025 |  | 2024
Chassis | ​ | $ | 47,135 | ​ | $ | 36,930
Raw materials | ​ |  | 65,293 | ​ |  | 77,358
Work in process | ​ |  | 45,271 | ​ |  | 48,251
Finished goods | ​ |  | 23,016 | ​ |  | 23,630
TOTAL INVENTORY | ​ | $ | 180,715 | ​ | $ | 186,169
​ For the three- and nine-month periods ended September 30, 2025 and 2024, the Company did no t recognize impairment of inventory. As of September 30, 2025 and December 31, 2024, the Company’s balances are presented net of inventory reserves of $9.4 million and $5.2 million, respectively.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
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