Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Accounts receivable	$ 276,450	$ (31,972)	$ (104,901)
Retention receivable	(20,017)	78,618	(85,769)
Costs and estimated earnings in excess of billings	(20,760)	(120,034)	(113,190)
Other current assets	8,516	62,371	(49,468)
Accounts payable	(15,783)	(283,482)	111,912
Retention payable	(22,383)	(46,190)	62,954
Billings in excess of costs and estimated earnings	214,123	(77,533)	(5,168)
Accrued expenses and other current liabilities	(29,722)	(4,005)	13,654
Changes in other components of working capital	390,424	(422,227)	(169,976)
Interest paid	64,764	63,762	57,038
Income taxes paid (refunded), net	9,952	(8,299)	11,204
Non-cash investing activities:
Real property acquired in settlement of a receivable	0	0	11,660
Receivable recognized from sale of subsidiary	$ 0	$ 4,163	$ 0