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Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Property, plant and equipment	$ 467,501		$ 467,501		$ 295,044
Total revenue	142,268	$ 137,556	423,306	$ 445,382
Amortization of customer contract intangible assets	1,800	1,800	5,408	5,408
Revenue, remaining performance obligation	1,577,198		1,577,198
Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	3,198	5,502	15,089	17,258
Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	43,660	65,407	118,478	236,594
Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	5,844	6,505	64,067	23,078
Lease Revenue - Affiliate (1)
Disaggregation of Revenue [Line Items]
Total revenue	75,225	47,708	187,324	133,843
Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	14,341	12,434	38,348	34,609
Pipelines and transportation
Disaggregation of Revenue [Line Items]
Property, plant and equipment	402,241		402,241
Total revenue	71,479	44,585	182,872	129,427
Pipelines and transportation | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	3,035	5,281	14,587	16,733
Pipelines and transportation | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0	0
Pipelines and transportation | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0	0
Pipelines and transportation | Lease Revenue - Affiliate (1)
Disaggregation of Revenue [Line Items]
Total revenue	62,811	36,448	154,437	104,523
Pipelines and transportation | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	5,633	2,856	13,848	8,171
Wholesale marketing and terminalling
Disaggregation of Revenue [Line Items]
Property, plant and equipment	65,260		65,260
Total revenue	70,789	92,971	240,434	315,955
Wholesale marketing and terminalling | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	163	221	502	525
Wholesale marketing and terminalling | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	43,660	65,407	118,478	236,594
Wholesale marketing and terminalling | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	5,844	6,505	64,067	23,078
Wholesale marketing and terminalling | Lease Revenue - Affiliate (1)
Disaggregation of Revenue [Line Items]
Total revenue	12,414	11,260	32,887	29,320
Wholesale marketing and terminalling | Service Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	8,708	$ 9,578	24,500	$ 26,438
Assets Leased to Others [Member]
Disaggregation of Revenue [Line Items]
Property, plant and equipment	$ 394,600		$ 394,600
Maximum
Disaggregation of Revenue [Line Items]
Commercial Agreements, Initial Term			10 years
Minimum [Member]
Disaggregation of Revenue [Line Items]
Commercial Agreements, Initial Term			5 years

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