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Inventories (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Inventory Disclosure [Abstract] |  |
Raw materials and construction materials | $ 88,661 | $ 74,014
Work in process | 17,419 | 11,627
Inventories | $ 106,080 | $ 85,641

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