Revenue from Contract with Customers (Performance Obligations) (Details) $ in Thousands |
Sep. 30, 2019
USD ($)
|
|---|---|
| Segment Reporting Information [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | $ 3,463,744 |
| Refined Products Segment [Member] | |
| Segment Reporting Information [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | 2,034,378 |
| Crude Oil Pipeline and Terminals Segment [Member] | |
| Segment Reporting Information [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | 1,206,147 |
| Marine Storage Segment [Member] | |
| Segment Reporting Information [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | $ 223,219 |