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Revenue from Contracts with Customers - Schedule of Cumulative Catch-Up Adjustment (Details) - UNITED STATES - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value $ 20,178 $ 3,700 $ 31,105 $ 12,575
United States Electrical Construction And Facilities Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value 12,292 2,616 16,485 8,345
United States Mechanical Construction And Facilities Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value 7,886 0 14,620 2,686
United States Building Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value $ 0 $ 1,084 $ 0 $ 1,544