v3.21.2
SEGMENT INFORMATION Table 1 - Results of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Revenues:        
Total revenues $ 427,093 $ 339,540 $ 788,739 $ 732,331
Operating income (loss):        
General and administrative expenses 27,477 23,700 51,969 46,671
Other depreciation and amortization expense 1,913 2,171 3,960 4,357
Operating income (loss) 115,605 92,701 213,894 (358)
Pipeline Segment        
Revenues:        
Total revenues 192,906 166,108 362,134 361,789
Storage Segment        
Revenues:        
Total revenues 119,248 119,407 227,822 242,624
Fuels Marketing Segment        
Revenues:        
Total revenues 114,939 54,025 198,794 127,927
Total segment        
Operating income (loss):        
Operating income (loss) 144,995 118,572 269,823 50,670
Total segment | Pipeline Segment        
Operating income (loss):        
Operating income (loss) 96,512 71,981 175,891 (50,943)
Total segment | Storage Segment        
Operating income (loss):        
Operating income (loss) 46,185 43,242 88,903 91,821
Total segment | Fuels Marketing Segment        
Operating income (loss):        
Operating income (loss) 2,298 3,349 5,029 9,792
Intersegment Eliminations [Member]        
Revenues:        
Total revenues $ 0 $ 0 $ (11) $ (9)