CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents ($163,088 and $168,408 related to variable interest entities (“VIEs”))	$ 263,545	$ 259,351
Restricted cash	10,914	14,480
Restricted investments	97,293	91,556
Accounts receivable ($80,770 and $54,040 related to VIEs)	1,226,636	1,171,085
Retention receivable ($153,699 and $187,615 related to VIEs)	557,358	585,556
Costs and estimated earnings in excess of billings ($72,051 and $83,911 related to VIEs)	1,224,663	1,377,528
Other current assets ($30,813 and $33,340 related to VIEs)	165,760	179,215
Total current assets	3,546,169	3,678,771
PROPERTY AND EQUIPMENT (“P&E”), net of accumulated depreciation of $520,109 and $505,512 (net P&E of $31,883 and $22,133 related to VIEs)	444,615	435,088
GOODWILL	205,143	205,143
INTANGIBLE ASSETS, NET	69,424	70,542
OTHER ASSETS	203,164	153,256
TOTAL ASSETS	4,468,515	4,542,800
CURRENT LIABILITIES:
Current maturities of long-term debt	20,634	70,285
Accounts payable ($33,178 and $36,484 related to VIEs)	487,769	495,345
Retention payable ($32,589 and $44,859 related to VIEs)	226,036	246,562
Billings in excess of costs and estimated earnings ($468,399 and $480,839 related to VIEs)	1,025,252	975,812
Accrued expenses and other current liabilities ($7,181 and $5,082 related to VIEs)	196,450	179,523
Total current liabilities	1,956,141	1,967,527
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance costs totaling $12,330 and $13,980	905,623	888,154
OTHER LONG-TERM LIABILITIES	238,550	245,135
TOTAL LIABILITIES	3,100,314	3,100,816
COMMITMENTS AND CONTINGENCIES (NOTE 10)
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 51,969,840 and 51,521,336 shares	51,970	51,521
Additional paid-in capital	1,143,532	1,140,933
Retained earnings	217,571	304,301
Accumulated other comprehensive loss	(45,479)	(47,037)
Total stockholders' equity	1,367,594	1,449,718
Noncontrolling interests	607	(7,734)
TOTAL EQUITY	1,368,201	1,441,984
TOTAL LIABILITIES AND EQUITY	$ 4,468,515	$ 4,542,800