Accounts Receivable, Net of Allowance, and Contract Assets and Liabilities - Schedule of Accounts Receivable, Net of Allowance and Contract Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Receivables [Abstract]
Contract billings	$ 1,065,600	$ 1,027,100
Less allowance	(8,100)	(7,800)
Accounts receivable, net of allowance	1,057,450	1,019,324
Contract Assets [Abstract]
Retainage	277,100	296,800
Unbilled receivables	1,340,300	931,100
Contract assets	$ 1,617,384	$ 1,227,927