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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

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