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Revenues (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Net revenues		$ 167,921	$ 129,473
Amortization of other deferred charges		601	0
Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		4,560
Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues	[1]	29,463
Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		101,717
Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		20,234
Lease Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		11,947
Pipelines and transportation
Disaggregation of Revenue [Line Items]
Net revenues		33,713	28,677
Pipelines and transportation | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		4,251
Pipelines and transportation | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues	[1]	19,897
Pipelines and transportation | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		0
Pipelines and transportation | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		0
Pipelines and transportation | Lease Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		9,565
Wholesale marketing and terminalling
Disaggregation of Revenue [Line Items]
Net revenues		134,208	$ 100,796
Wholesale marketing and terminalling | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		309
Wholesale marketing and terminalling | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues	[1]	9,566
Wholesale marketing and terminalling | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Net revenues		101,717
Wholesale marketing and terminalling | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		20,234
Wholesale marketing and terminalling | Lease Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Net revenues		$ 2,382
[1] Net of $0.6 million of amortization expense related to a customer contract intangible asset recorded in the wholesale marketing and terminalling segment.

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Amount of amortization of other deferred costs recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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