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Inventories (Tables)
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Inventories
Inventories in the accompanying Consolidated Balance Sheets consisted of the following amounts as of September 30, 2022 and December 31, 2021 (in thousands):
September 30,
2022
December 31,
2021
Raw materials and construction materials$93,051 $46,186 
Work in process8,823 7,912 
Inventories$101,874 $54,098