CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Cash and cash equivalents	$ 323,200	$ 202,197
Accounts receivable	1,252,943	1,454,319
Retention receivable	583,789	568,881
Costs and estimated earnings in excess of billings	1,448,341	1,356,768
Other current assets	196,401	186,773
Accumulated depreciation	500,692	483,417
Property and equipment, net	429,911	429,645
Accounts payable	589,689	512,056
Retainage payable	241,518	268,945
Billings in excess of costs and estimated earnings	966,065	761,689
Accrued expenses and other current liabilities	216,922	210,017
Unamortized discount and debt issuance costs, non-current	$ 14,784	$ 17,109
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares issued (in shares)	0	0
Common stock, shares authorized (in shares)	112,500,000	112,500,000
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares issued (in shares)	51,485,216	51,095,706
Common stock, shares outstanding (in shares)	51,485,216	51,095,706
VIEs
Cash and cash equivalents	$ 158,943	$ 102,679
Accounts receivable	65,059	116,415
Retention receivable	184,797	162,259
Costs and estimated earnings in excess of billings	97,510	143,105
Other current assets	37,816	43,718
Property and equipment, net	16,016	2,203
Accounts payable	62,943	96,097
Retainage payable	43,174	37,007
Billings in excess of costs and estimated earnings	468,130	355,270
Accrued expenses and other current liabilities	$ 10,675	$ 8,566