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Inventories (Tables) | 9 Months Ended
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Sep. 30, 2025
Inventory Disclosure [Abstract] |
Inventories | The components of inventories and related changes in the allowance for excess and obsolete inventories account are as follows:
| September 30, 2025 |  | December 31, 2024
| (in thousands)
Raw materials | $ | 255,744 |  |  | $ | 192,136 |
Work in process | 13 |  |  | 20 |
Finished goods | 971 |  |  | 456 |
Total, gross | 256,728 |  |  | 192,612 |
Less: Allowance for excess and obsolete inventories | 6,217 |  |  | 5,192 |
Total, net | $ | 250,511 |  |  | $ | 187,420 |
Inventories (Allowance) |
| Three Months Ended |  | Nine Months Ended
| September 30, 2025 |  | September 30, 2024 |  | September 30, 2025 |  | September 30, 2024
Allowance for excess and obsolete inventories: | (in thousands)
Balance, beginning of period | $ | 5,480 |  |  | $ | 6,801 |  |  | $ | 5,192 |  |  | $ | 6,160 |
Provision for excess and obsolete inventories | 785 |  |  | 2,075 |  |  | 1,417 |  |  | 4,003 |
Inventories written off | (48) |  |  | (868) |  |  | (392) |  |  | (2,155) |
Balance, end of period | $ | 6,217 |  |  | $ | 8,008 |  |  | $ | 6,217 |  |  | $ | 8,008 |

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