Related Party Transactions	12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	13. RELATED-PARTY TRANSACTIONS The Company’s historical environmental & infrastructure segment operated out of two facilities owned by the former owner of Terra Contracting, LLC until November 11, 2016, when the lease was terminated. The Company paid $195 on rent on these properties in 2016. Further, the Company’s historical environmental & infrastructure segment operated out of two facilities owned by Magnus Real Estate Group, LLC, which was owned by the former owners of Magnus Pacific Corporation. In March 2017, one of the properties was sold to a non-related party. In 2018, 2017 and 2016, the Company paid rent of $222, $263 and $506, respectively, for these two properties.

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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