Accounts Receivable, Net of Allowance, and Contract Assets and Liabilities - Schedule of Accounts Receivable, Net of Allowance and Contract Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Receivables [Abstract]
Contract billings	$ 1,363,900	$ 1,400,600
Less allowance	(18,800)	(19,100)
Accounts receivable, net of allowance	1,345,116	1,381,462
Contract Assets [Abstract]
Retainage	293,200	335,300
Unbilled receivables	1,223,100	1,220,500
Contract assets	$ 1,516,333	$ 1,555,807