Revenue from Contracts with Customers - Schedule of Cumulative Catch-Up Adjustment (Details) - UNITED STATES - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cumulative Catch-Up Adjustment [Line Items]
Change in total estimated cost or anticipated contract value	$ 29,057	$ 48,403	$ 6,891
United States Electrical Construction And Facilities Services
Cumulative Catch-Up Adjustment [Line Items]
Change in total estimated cost or anticipated contract value	12,535	33,463	4,627
United States Mechanical Construction And Facilities Services
Cumulative Catch-Up Adjustment [Line Items]
Change in total estimated cost or anticipated contract value	10,864	13,679	2,264
United States Building Services
Cumulative Catch-Up Adjustment [Line Items]
Change in total estimated cost or anticipated contract value	$ 5,658	$ 1,261	$ 0