Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2016
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Upon the completion of the acquisition of TAS, the Company entered into a lease arrangement with an entity in which an employee owns an interest. This lease is for office space and yard facilities used by the commercial concrete construction segment. Annual lease expense was approximately $820,000 and $312,500 for the years ending December 31, 2016 and 2015, respectively. GLM Concrete Solutions, LLC (“GLM”), of which the Company owns 49% of the issued and outstanding membership interests, employs certain employees that are subcontracted to TAS, a wholly owned subsidiary of the Company, for certain projects. As of December 31, 2016 and December 31, 2015, payroll expense related to these subcontracted employees was $0.7 million and $0.7 million, respectively. Additionally, GLM provides certain management services to TAS, including safety, human resources and project management. As of December 31, 2016 and December 31, 2015 management expense for these services was $0.5 million and $0.7 million, respectively. On August 31, 2015, the Company completed an acquisition of all of the issued and outstanding stock of and any and all other equity interests in Preferred Tool Services, Inc. (a.k.a. Houston Industrial Tool Services, Inc. ("HITS")) from an employee of the Company for aggregate consideration of $400,000.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.