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Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Lease Revenue - Affiliate									$ 193,865	$ 58,507
Net revenues	$ 138,611	$ 137,556	$ 155,342	$ 152,483	$ 159,298	$ 164,110	$ 166,280	$ 167,921	583,992	657,609	$ 538,075
Amortization of customer contract intangible assets									7,211	6,009	0
Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									23,730	16,019
Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									35,208	147,050
Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									299,248	400,781
Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									31,941	35,252
Pipelines and Transportation
Disaggregation of Revenue [Line Items]
Lease Revenue - Affiliate									155,211	45,118
Net revenues									178,318	153,567	121,729
Pipelines and Transportation | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									23,107	15,149
Pipelines and Transportation | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									0	93,300
Pipelines and Transportation | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									0	0
Pipelines and Transportation | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									0	0
Wholesale Marketing and Terminalling
Disaggregation of Revenue [Line Items]
Lease Revenue - Affiliate									38,654	13,389
Net revenues									405,674	504,042	$ 416,346
Wholesale Marketing and Terminalling | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									623	870
Wholesale Marketing and Terminalling | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									35,208	53,750
Wholesale Marketing and Terminalling | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									299,248	400,781
Wholesale Marketing and Terminalling | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers									$ 31,941	$ 35,252

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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

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