Noncontrolling Interests (Tables)

6 Months Ended

Jun. 30, 2016

Carlsbad

Schedule of joint venture operating activities included in the Company's consolidated statements of income

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Revenues	$	3,150	$	—	$	6,668	$	—
Net income attributable to noncontrolling interests		131		—		286		—

Schedule of the carrying value of the assets and liabilities associated with the operations of the Blythe joint venture included in the Company's consolidated balance sheets

	June 30,		December 31,
	2016		2015
Cash	$	3,616	$	1,952
Accounts receivable	$	—	$	955
Costs and estimated earnings in excess of billings	$	535	$	—
Current liabilities	$	3,234	$	2,562

Wilmington

Schedule of joint venture operating activities included in the Company's consolidated statements of income

	Three months ended				Six months ended
	June 30,				June 30,
	2016		2015		2016		2015
Revenues	$	2,958	$	—	$	4,917	$	—
Net income attributable to noncontrolling interests		100		—		168		—

Schedule of the carrying value of the assets and liabilities associated with the operations of the Blythe joint venture included in the Company's consolidated balance sheets

	June 30,		December 31,
	2016		2015
Cash	$	6,483	$	2,339
Accounts receivable	$	1,041	$	2,003
Current liabilities	$	7,093	$	4,247