Contracts in Progress (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Contractors [Abstract]
Costs incurred on uncompleted contracts	$ 1,396,195	$ 1,394,243
Estimated earnings	168,448	176,904
Costs incurred and estimated earnings on uncompleted contracts	1,564,643	1,571,147
Less: Billings to date	(1,541,129)	(1,553,704)
Costs and estimated earnings in excess of billings on uncompleted contracts, net	23,514	17,443
Contract assets	70,612	81,522
Contract liabilities	$ (47,098)	$ (64,079)