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REVENUES (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | $ 741,688 | $ 491,705
Revenue recognized | 33,806 |
Marine Transportation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | 340,403 | 343,652
Marine Transportation [Member] | Inland Transportation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | 252,355 | 237,238
Marine Transportation [Member] | Coastal Transportation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | 88,048 | 106,414
Distribution and Services [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | 401,285 | 148,053
Distribution and Services [Member] | Oil and Gas [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | 274,491 | 97,104
Distribution and Services [Member] | Commercial and Industrial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues by major source | $ 126,794 | $ 50,949

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306 + Details
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