CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2019		Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents ($103,850 and $43,131 related to VIEs)		$ 193,685		$ 116,075
Restricted cash		8,416		3,788
Restricted investments		70,974		58,142
Accounts receivable ($91,090 and $62,482 related to VIEs)		1,354,519		1,261,072
Retainage receivable ($89,132 and $36,724 related to VIEs)		562,375		478,744
Costs and estimated earnings in excess of billings ($22,764 and $0 related to VIEs)		1,123,544		1,142,295
Other current assets ($58,128 and $30,185 related to VIEs)		197,473		115,527
Total current assets		3,510,986		3,175,643
PROPERTY AND EQUIPMENT:
Land		39,047		41,599
Building and improvements		115,041		125,193
Construction equipment		560,547		486,034
Other equipment		183,197		181,578
Total property and equipment, gross		897,832		834,404
Less accumulated depreciation		(388,147)		(343,735)
Total property and equipment, net ($49,919 and $51,508 related to VIEs)		509,685		490,669
GOODWILL		205,143	[1]	585,006
INTANGIBLE ASSETS, NET		155,270		85,911
OTHER ASSETS	[2]	104,693		50,523	[3]
TOTAL ASSETS		4,485,777		4,387,752
CURRENT LIABILITIES:
Current maturities of long-term debt		124,054		16,767
Accounts payable ($93,848 and $18,070 related to VIEs)		682,699		621,728
Retainage payable ($13,967 and $0 related to VIEs)		252,181		211,956
Billings in excess of costs and estimated earnings ($422,847 and $263,764 related to VIEs)		844,389		573,190
Accrued expenses and other current liabilities ($25,402 and $34,828 related to VIEs)	[2]	206,533		174,325	[3]
Total current liabilities		2,109,856		1,597,966
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance costs totaling $23,343 and $34,998		710,422		744,737
DEFERRED TAX LIABILITIES		35,686		105,521
OTHER LONG-TERM LIABILITIES	[2]	199,288		151,639	[3]
TOTAL LIABILITIES		3,055,252		2,599,863
COMMITMENTS AND CONTINGENCIES (Note 8)
Stockholders' equity:
Preferred stock - authorized 1,000,000 shares ($1 par value), none issued
Common stock – authorized 75,000,000 shares ($1 par value), issued and outstanding 50,278,816 and 50,025,996 shares		50,279		50,026
Additional paid-in capital		1,117,972		1,102,919
Retained earnings		313,991		701,681
Accumulated other comprehensive loss		(42,100)		(45,449)
Total stockholders' equity		1,440,142		1,809,177
Noncontrolling interests		(9,617)		(21,288)
TOTAL EQUITY		1,430,525		1,787,889
TOTAL LIABILITIES AND EQUITY		$ 4,485,777		$ 4,387,752

[1] As of December 31, 2019, accumulated impairment was $867.8 million.

[2] Prior to the adoption of ASC 842, operating lease ROU assets and current and long-term operating lease liabilities were not recorded on the Consolidated Balance Sheets.

[3] Balance as previously reported on the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.