Revenue from Contracts with Customers - Summary of Uncompleted Contracts and Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Costs incurred on uncompleted contracts	$ 6,399,940	$ 6,390,641
Estimated earnings	875,983	840,994
Costs and estimated earnings on uncompleted contracts	7,275,923	7,231,635
Less: billings to date	7,323,483	7,271,337
Net contract assets (liabilities)	$ (47,560)	$ (39,702)	$ (12,282)