v3.20.2
Organization, Description of Business and Basis of Presentation (Narrative) (Details)
$ in Thousands, bbl in Millions
 3 Months Ended 9 Months Ended
Mar. 31, 2020
Terminal
Sep. 30, 2020
USD ($)
bbl
Terminal
mi
Sep. 30, 2019
USD ($)
Organization and Description of Business [Line Items]      
Number Of Marine Terminals Sold 3 3  
Number Of Marine Terminals Combined With Refined Product Segment 2    
Number Of Marine Terminals Combined With Crude Oil Segment 1    
Proceeds from sale and disposition of assets | $   $ 334,583 $ 65,574
Refined Products Segment [Member]      
Organization and Description of Business [Line Items]      
Pipeline Length | mi   9,800  
Number of Pipeline Terminals   54  
Number of Independent Terminals   25  
Number of Marine Terminals   2  
Number Of Marine Terminals, Owned Through Joint Venture   1  
Crude Oil Pipeline and Terminals Segment [Member]      
Organization and Description of Business [Line Items]      
Pipeline Length | mi   2,200  
Storage Capacity | bbl   37  
Contracted Storage | bbl   25  
Pipeline, Length - Wholly Owned | mi   1,000  
Storage Capacity - Wholly Owned | bbl   30  
Contracted Storage - Wholly Owned | bbl   22  
Marine Terminals [Member]      
Organization and Description of Business [Line Items]      
Proceeds from sale and disposition of assets | $   $ 251,800  
Asset Impairment Charges | $   $ 6,200