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Inventories (Tables)
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories
Inventories in the accompanying Consolidated Balance Sheets consisted of the following amounts as of September 30, 2023 and December 31, 2022 (in thousands):
September 30,
2023
December 31,
2022
Raw materials and construction materials$93,750 $74,014 
Work in process21,716 11,627 
Inventories$115,466 $85,641