Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Property, plant and equipment	$ 473,744		$ 473,744		$ 295,044
Total revenue	117,637	$ 155,342	281,038	$ 307,825
Amortization of customer contract intangible assets	1,800	1,800	3,605	3,605
Revenue, remaining performance obligation	1,625,664		1,625,664
Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	2,236	7,661	11,892	11,755
Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	27,772	85,763	74,818	171,187
Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	6,720	7,187	58,222	16,573
Lease Revenue - Affiliate (1)
Disaggregation of Revenue [Line Items]
Total revenue	80,909	54,731	136,106	108,310
Pipelines and transportation
Disaggregation of Revenue [Line Items]
Property, plant and equipment	407,439		407,439
Total revenue	63,426	44,208	111,393	84,841
Pipelines and transportation | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	2,032	7,477	11,496	11,451
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	61,394	36,731	99,897	73,390
Wholesale marketing and terminalling
Disaggregation of Revenue [Line Items]
Property, plant and equipment	66,305		66,305
Total revenue	54,211	111,134	169,645	222,984
Wholesale marketing and terminalling | Service Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	204	184	396	304
Wholesale marketing and terminalling | Product Revenue - Third Party
Disaggregation of Revenue [Line Items]
Total revenue	27,772	85,763	74,818	171,187
Wholesale marketing and terminalling | Product Revenue - Affiliate
Disaggregation of Revenue [Line Items]
Total revenue	6,720	7,187	58,222	16,573
Wholesale marketing and terminalling | Lease Revenue - Affiliate (1)
Disaggregation of Revenue [Line Items]
Total revenue	19,515	$ 18,000	36,209	$ 34,920
Assets Leased to Others [Member]
Disaggregation of Revenue [Line Items]
Property, plant and equipment	$ 358,500		$ 358,500
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