Construction and Line Item Joint Ventures (Tables)

6 Months Ended

Jun. 30, 2016

Construction and Line Item Joint Ventures [Abstract]

Schedule of Unconsolidated Joint Ventures Assets and Liabilities [Table Text Block]

The following is summary financial information related to unconsolidated construction joint ventures:

(in thousands)	June 30, 2016		December 31, 2015		June 30, 2015
Assets:
Cash and cash equivalents	$	435,098	$	439,871	$	336,581
Other assets2	896,642		859,749		816,262
Less partners’ interest	894,017		881,183		771,875
Granite’s interest	437,723		418,437		380,968
Liabilities:
Accounts payable	254,954		218,790		216,663
Billings in excess of costs and estimated earnings2	277,900		341,609		276,982
Other liabilities	101,942		89,901		64,581
Less partners’ interest	434,371		447,926		385,506
Granite’s interest	200,425		202,374		172,720
Equity in construction joint ventures1	$	237,298	$	216,063	$	208,248

¹As of June 30, 2016, December 31, 2015 and June 30, 2015 this balance included $8.2 million, $8.6 million and $0.8 million, respectively, of deficit in construction joint ventures that is included in accrued expenses and other current liabilities on the condensed consolidated balance sheets.

Schedule of Unconsolidated Joint Ventures Revenue and Costs [Table Text Block]

	Three Months Ended June 30,					Six Months Ended June 30,
(in thousands)	2016			2015		2016		2015
Revenue:
Total	$	682,002		$	466,144	$	970,046	$	909,551
Less partners’ interest and adjustments1	552,986			327,980		694,771		636,100
Granite’s interest	129,016			138,164		275,275		273,451
Cost of revenue:
Total	479,113			436,230		940,610		846,301
Less partners’ interest and adjustments1	347,661			305,822		671,702		591,869
Granite’s interest	131,452			130,408		268,908		254,432
Granite’s interest in gross (loss) profit	$	(2,436	)	$	7,756	$	6,367	$	19,019

¹Partners’ interest represents amounts to reconcile total revenue and total cost of revenue as reported by our partners to Granite’s interest adjusted to reflect our accounting policies.