CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Assets and Liabilities) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Cash and cash equivalents	$ 185,516	$ 189,326	$ 150,225
Costs and estimated earnings in excess of billings	94,527	73,102	80,032
Other current assets	26,612	39,908	28,047
Property and equipment, net	412,174	406,650	407,327
Accounts payable	286,913	199,029	223,612
Billings in excess of costs and estimated earnings	168,707	97,522	116,151
Accrued expenses and other current liabilities	246,775	218,587	237,534
Consolidated Construction Joint Venture | Joint Venture Consolidated
Cash and cash equivalents	71,328	73,115	47,803
Receivables, Net	51,079	52,613	77,012
Costs and estimated earnings in excess of billings	3,035	5,046	2,940
Other current assets	6,033	7,500	8,649
Property and equipment, net	33,754	20,500	15,302
Accounts payable	27,443	26,419	20,654
Billings in excess of costs and estimated earnings	38,581	33,704	34,994
Accrued expenses and other current liabilities	$ 1,354	$ 1,544	$ 817