CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and cash equivalents	$ 358,304	$ 380,564
Accounts receivable	1,057,229	1,054,014
Retention receivable	550,224	580,926
Costs and estimated earnings in excess of billings	1,156,571	1,143,846
Other current assets	199,138	217,601
Accumulated depreciation	546,716	534,171
Property and equipment, net	438,605	441,291
Accounts payable	600,190	466,545
Retention payable	227,731	223,138
Billings in excess of costs and estimated earnings	1,002,268	1,103,530
Accrued expenses and other current liabilities	191,909	214,309
Unamortized discount and debt issuance costs, non-current	$ 9,389	$ 11,000
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)	52,284,162	52,025,497
Common stock, shares outstanding (in shares)	52,284,162	52,025,497
VIEs
Cash and cash equivalents	$ 171,727	$ 173,118
Accounts receivable	51,822	84,014
Retention receivable	154,951	161,187
Costs and estimated earnings in excess of billings	72,566	58,089
Other current assets	22,155	26,725
Property and equipment, net	33,813	35,135
Accounts payable	23,199	24,160
Retention payable	22,011	22,841
Billings in excess of costs and estimated earnings	425,410	439,759
Accrued expenses and other current liabilities	$ 10,572	$ 18,206