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Revenue from Contracts with Customers - Schedule of Cumulative Catch-Up Adjustment (Details) - UNITED STATES - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value $ 10,568 $ 11,822 $ 28,612 $ 34,903
United States Electrical Construction And Facilities Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value 2,635 10,549 12,219 26,460
United States Mechanical Construction And Facilities Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value 7,933 1,273 13,416 8,443
United States Building Services [Member]        
Cumulative Catch-Up Adjustment [Line Items]        
Change in total estimated cost or anticipated contract value $ 0 $ 0 $ 2,977 $ 0