XML 39 R22.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Related Party Transactions | 3 Months Ended
--- | ---
Mar. 31, 2018
Related Party Transactions [Abstract] |
Related Party Transactions | (16) Related Party Transactions ﻿ Raymond R. Oneglia, Vice Chairman of O&G Industries, Inc. (“O&G”), is a director of the Company. The Company occasionally forms construction project joint ventures with O&G. Currently, the Company has two joint ventures with O&G for infrastructure projects in the northeastern United States that are both complete. In addition, the Company has a 75% interest in a joint venture with O&G (as the 25% interest holder) for a project in Los Angeles, California. O&G may provide equipment and services to these joint ventures on customary trade terms; there were no material payments made by the joint ventures to O&G during the three months ended March 31, 2018 and 2017. ﻿

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
Name: | us-gaap_RelatedPartyTransactionsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration