Supplemental Cash Flow Information - Net Effects of Changes in Operating Assets and Liabilities, Net, on Cash Flows from Operating Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Accounts and notes receivable	$ (248,452)	$ 71,058	$ (214,580)
Contract assets	(331,946)	153,832	(12,317)
Inventories	1,418	9,860	52,168
Prepaid expenses and other current assets	(6,503)	83,518	(60,475)
Accounts payable and accrued expenses and other non-current liabilities	95,829	115,569	39,419
Contract liabilities	47,163	(84,370)	174,230
Other, net	(15,191)	(22,098)	(135,250)
Net change in operating assets and liabilities, net of non-cash transactions	$ (457,682)	$ 327,369	(156,805)
Payments of on-demand advance payment bonds			87,000
Payments of on-demand performance bonds			$ 25,000