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Revenue from Contracts with Customers - Schedule of Cumulative Catch-Up Adjustment (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
UNITED STATES |  |  |  |
Cumulative Catch-Up Adjustment [Line Items] |  |  |  |
Change in total estimated cost or anticipated contract value | $ 34,564,000 | $ 10,066,000 | $ 69,116,000 | $ 40,621,000
UNITED STATES | United States Electrical Construction And Facilities Services [Member] |  |  |  |
Cumulative Catch-Up Adjustment [Line Items] |  |  |  |
Change in total estimated cost or anticipated contract value | 25,234,000 | 0 | 37,419,000 | 16,758,000
UNITED STATES | United States Mechanical Construction And Facilities Services [Member] |  |  |  |
Cumulative Catch-Up Adjustment [Line Items] |  |  |  |
Change in total estimated cost or anticipated contract value | $ 9,330,000 | $ 10,066,000 | 31,697,000 | $ 23,863,000
Minimum [Member] |  |  |  |
Cumulative Catch-Up Adjustment [Line Items] |  |  |  |
Change in total estimated cost or anticipated contract value |  |  | $ 1,000,000 |

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