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PROPERTY, PLANT AND EQUIPMENT Table (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Property, Plant and Equipment [Line Items]    
Total $ 4,413,305 $ 4,021,319
Less accumulated depreciation and amortization (982,837) (833,862)
Property, plant and equipment, net 3,430,468 3,187,457
Land
    
Property, Plant and Equipment [Line Items]    
Total 134,900 123,805
Land and leasehold improvements
    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, minimum, in years 10  
Estimated useful lives, maximum, in years 35  
Total 108,508 105,055
Buildings
    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, minimum, in years 15  
Estimated useful lives, maximum, in years 40  
Total 66,792 64,528
Pipelines, storage and terminals
    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, minimum, in years 20  
Estimated useful lives, maximum, in years 35  
Total 3,298,188 3,044,538
Refining equipment
    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, minimum, in years 20  
Estimated useful lives, maximum, in years 35  
Total 512,466 447,848
Rights-of-way
    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, minimum, in years 20  
Estimated useful lives, maximum, in years 40  
Total 107,104 101,538
Construction in progress
    
Property, Plant and Equipment [Line Items]    
Total $ 185,347 $ 134,007