CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Assets and Liabilities) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Cash and cash equivalents	$ 150,225	$ 252,836	$ 221,785
Other Assets, Current	28,047	26,985	30,351
Costs and estimated earnings in excess of billings	80,032	59,070	56,971
Property and equipment, net	407,327	385,129	385,036
Accounts payable	223,612	157,571	196,885
Billings in excess of costs and estimated earnings	116,151	92,515	122,409
Accrued expenses and other current liabilities	237,534	200,935	229,923
Consolidated Construction Joint Venture | Joint Venture Consolidated
Cash and cash equivalents	47,803	46,210	41,052
Receivables, Net	77,012	45,734	36,527
Other Assets, Current	8,649	4,037	2,020
Costs and estimated earnings in excess of billings	2,940	826	365
Property and equipment, net	15,302	5,378	6,068
Accounts payable	20,654	11,909	10,438
Billings in excess of costs and estimated earnings	34,994	15,768	13,794
Accrued expenses and other current liabilities	$ 817	$ 1,171	$ 1,148