Revenue from Contract with Customer (Remaining Performance Obligation) (Details) $ in Thousands |
Dec. 31, 2018
USD ($)
|
|---|---|
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | $ 3,750,821 |
| Refined Products Segment [Member] | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | 2,116,460 |
| Crude Oil Pipeline and Terminals Segment [Member] | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | 1,310,734 |
| Marine Storage Segment [Member] | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Revenue, Remaining Performance Obligation, Amount | $ 323,627 |