CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents ($156,912 and $173,118 related to variable interest entities (“VIEs”))	$ 267,072	$ 380,564
Restricted cash	12,417	14,116
Restricted investments	134,182	130,287
Accounts receivable ($60,049 and $84,014 related to VIEs)	1,087,369	1,054,014
Retention receivable ($157,536 and $161,187 related to VIEs)	546,668	580,926
Costs and estimated earnings in excess of billings ($87,833 and $58,089 related to VIEs)	1,160,710	1,143,846
Other current assets ($18,918 and $26,725 related to VIEs)	187,822	217,601
Total current assets	3,396,240	3,521,354
PROPERTY AND EQUIPMENT (“P&E”), net of accumulated depreciation of $548,937 and $534,171 (net P&E of $29,449 and $35,135 related to VIEs)	434,371	441,291
GOODWILL	205,143	205,143
INTANGIBLE ASSETS, NET	67,187	68,305
DEFERRED INCOME TAXES	67,284	74,083
OTHER ASSETS	123,523	119,680
TOTAL ASSETS	4,293,748	4,429,856
CURRENT LIABILITIES:
Current maturities of long-term debt	18,602	117,431
Accounts payable ($28,980 and $24,160 related to VIEs)	622,776	466,545
Retention payable ($18,444 and $22,841 related to VIEs)	223,962	223,138
Billings in excess of costs and estimated earnings ($394,866 and $439,759 related to VIEs)	987,447	1,103,530
Accrued expenses and other current liabilities ($10,620 and $18,206 related to VIEs)	207,877	214,309
Total current liabilities	2,060,664	2,124,953
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance costs totaling $31,387 and $11,000	657,835	782,314
OTHER LONG-TERM LIABILITIES	259,132	238,678
TOTAL LIABILITIES	2,977,631	3,145,945
COMMITMENTS AND CONTINGENCIES (NOTE 11)
Stockholders' equity:
Preferred stock - authorized 1,000,000 shares ($1 par value), none issued	0	0
Common stock - authorized 112,500,000 shares ($1 par value), issued and outstanding 52,389,430 and 52,025,497 shares	52,389	52,025
Additional paid-in capital	1,148,074	1,146,204
Retained earnings	149,718	133,146
Accumulated other comprehensive loss	(40,226)	(39,787)
Total stockholders' equity	1,309,955	1,291,588
Noncontrolling interests	6,162	(7,677)
TOTAL EQUITY	1,316,117	1,283,911
TOTAL LIABILITIES AND EQUITY	$ 4,293,748	$ 4,429,856