Organization, Description of Business and Basis of Presentation (Narrative) (Details) bbl in Millions	Sep. 30, 2015 Terminal bbl mi
Refined Products [Member]
Organization and Description of Business [Line Items]
Number of Pipeline Terminals	52
Number of Independent Terminals	28
Refined Products [Member] | Refined Products Transportation Services [Member]
Organization and Description of Business [Line Items]
Pipeline Length | mi	9,500
Refined Products [Member] | Ammonia Transportation Services [Member]
Organization and Description of Business [Line Items]
Pipeline Length | mi	1,100
Crude Oil Pipeline and Terminals [Member]
Organization and Description of Business [Line Items]
Pipeline Length | mi	1,600
Storage Capacity | bbl	21
Leaseable Storage Capacity | bbl	13
Marine Storage [Member]
Organization and Description of Business [Line Items]
Number of Independent Terminals	5
Storage Capacity | bbl	26