Equity Method Investments (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2015
Summarized Statement of Operations Information of Brand:
Net revenues			$ 800,752
Gross profit			180,577
Net income attributable to Brand Energy & Infrastructure Services, Inc. and Subsidiaries			11,060
Equity income of unconsolidated entities, net	$ 0	$ 3,175
Infrastructure Transaction Strategic Venture
Summarized Statement of Operations Information of Brand:
Equity income of unconsolidated entities, net			$ 3,175