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Inventories (Tables) | 6 Months Ended
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Jun. 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:
| June 30, 2025 |  | December 31, 2024
| (in thousands)
Raw materials | $ | 239,564 |  |  | $ | 192,136 |
Work in process | 4 |  |  | 20 |
Finished goods | 892 |  |  | 456 |
Total, gross | 240,460 |  |  | 192,612 |
Less: Allowance for excess and obsolete inventories | 5,480 |  |  | 5,192 |
Total, net | $ | 234,980 |  |  | $ | 187,420 |
Inventories (Allowance) |
| Three Months Ended |  | Six Months Ended
| June 30, 2025 |  | June 30, 2024 |  | June 30, 2025 |  | June 30, 2024
Allowance for excess and obsolete inventories: | (in thousands)
Balance, beginning of period | $ | 5,249 |  |  | $ | 6,741 |  |  | $ | 5,192 |  |  | $ | 6,160 |
Provision for excess and obsolete inventories | 234 |  |  | 968 |  |  | 632 |  |  | 1,928 |
Inventories written off | (3) |  |  | (908) |  |  | (344) |  |  | (1,287) |
Balance, end of period | $ | 5,480 |  |  | $ | 6,801 |  |  | $ | 5,480 |  |  | $ | 6,801 |

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