v3.20.4
PROPERTY, PLANT AND EQUIPMENT Table - Property, Plant and Equipment, at Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost $ 6,164,742 $ 6,187,144
Less accumulated depreciation and amortization (2,207,230) (2,068,165)
Property, plant and equipment, net 3,957,512 4,118,979
Land, Buildings and Improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 440,358 444,156
Pipelines, storage and terminals    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 5,253,507 5,162,426
Rights-of-way    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 359,441 350,026
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost $ 111,436 $ 230,536
Minimum [Member] | Land, Buildings and Improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 0 years  
Minimum [Member] | Pipelines, storage and terminals    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 15 years  
Minimum [Member] | Rights-of-way    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 20 years  
Maximum [Member] | Land, Buildings and Improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 40 years  
Maximum [Member] | Pipelines, storage and terminals    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 40 years  
Maximum [Member] | Rights-of-way    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, useful life 40 years