REVENUE FROM CONTRACTS WITH CUSTOMERS Table 4 - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 486,204	$ 435,488	$ 962,085	$ 922,918
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenues	(2,005)	(3,729)	(4,080)	(7,672)
Pipeline Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	150,276	126,740	287,012	247,980
Lessor revenues	0	0	54	0
Revenues	150,276	126,740	287,066	247,980
Pipeline Segment \| Crude Oil Pipelines [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	60,507	47,039	113,944	83,786
Pipeline Segment \| Refined Products and Ammonia Pipelines [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	89,769	79,701	173,068	164,194
Storage Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	147,488	148,777	292,854	286,427
Lessor revenues	9,962	9,782	19,924	19,563
Revenues	157,450	158,559	312,778	305,990
Storage Segment \| Throughput Terminal [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	20,141	22,122	40,157	42,812
Storage Segment \| Storage Terminal [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	127,347	126,655	252,697	243,615
Fuels Marketing Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	180,483	153,918	366,321	376,620
Revenues	$ 180,483	$ 153,918	$ 366,321	$ 376,620

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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