CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Cash and cash equivalents	$ 290,008	$ 259,351
Accounts receivable	1,161,020	1,171,085
Retention receivable	561,856	585,556
Costs and estimated earnings in excess of billings	1,175,795	1,377,528
Other current assets	239,736	179,215
Accumulated depreciation	524,774	505,512
Property and equipment, net	447,303	435,088
Accounts payable	558,844	495,345
Retention payable	221,488	246,562
Billings in excess of costs and estimated earnings	1,028,960	975,812
Accrued expenses and other current liabilities	199,238	179,523
Unamortized discount and debt issuance costs, non-current	$ 11,538	$ 13,980
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)	52,022,169	51,521,336
Common stock, shares outstanding (in shares)	52,022,169	51,521,336
VIEs
Cash and cash equivalents	$ 148,097	$ 168,408
Accounts receivable	85,836	54,040
Retention receivable	155,590	187,615
Costs and estimated earnings in excess of billings	61,279	83,911
Other current assets	31,260	33,340
Property and equipment, net	36,852	22,133
Accounts payable	42,864	36,484
Retention payable	25,467	44,859
Billings in excess of costs and estimated earnings	432,558	480,839
Accrued expenses and other current liabilities	$ 12,239	$ 5,082