Revenue Recognition - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	$ 318,943	$ 335,973
Total revenues	325,491	353,477
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	297,475	319,717
Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	21,468	16,256
Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	318,943	335,973
Other
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	6,548	17,504
Marketing
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	297,475	319,717
Total revenues	304,023	337,221
Marketing | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	297,475	319,717
Marketing | Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	0	0
Marketing | Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	297,475	319,717
Marketing | Other
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	6,548	17,504
Transportation
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	21,235	16,256
Total revenues	21,235	16,256
Transportation | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	0	0
Transportation | Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	21,235	16,256
Transportation | Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	21,235	16,256
Transportation | Other
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	0	0
Pipeline and storage
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	233	0
Total revenues	233	0
Pipeline and storage | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	0	0
Pipeline and storage | Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	233	0
Pipeline and storage | Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	233	0
Pipeline and storage | Other
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers	$ 0	$ 0