v3.3.1.900
SEGMENT INFORMATION Table 1 (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Revenues:                      
Revenues $ 464,919 $ 493,566 $ 570,611 $ 554,944 $ 681,738 $ 794,422 $ 749,745 $ 849,213 $ 2,084,040 $ 3,075,118 $ 3,463,732
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 210,210 191,708 178,921
Operating income (loss):                      
Less general and administrative expenses                 102,521 96,056 91,086
Less other depreciation and amortization expense                 210,210 191,708 178,921
Total operating income (loss) $ 98,024 $ 100,994 $ 92,405 $ 99,281 $ 81,346 $ 95,098 $ 89,354 $ 81,103 390,704 346,901 (19,121)
Pipeline Segment | Third Party Revenue [Member]                      
Revenues:                      
Revenues                 508,522 477,030 411,529
Storage Segment                      
Revenues:                      
Revenues                 624,908 564,506 556,549
Storage Segment | Third Party Revenue [Member]                      
Revenues:                      
Revenues                 599,302 537,142 518,253
Storage Segment | Intersegment revenue [Member]                      
Revenues:                      
Revenues                 25,606 26,435 32,044
Storage Segment | Related Party Revenue [Member]                      
Revenues:                      
Revenues                 0 929 6,252
Fuels Marketing Segment                      
Revenues:                      
Revenues                 976,216 2,060,017 2,527,698
Fuels Marketing Segment | Third Party Revenue [Member]                      
Revenues:                      
Revenues                 976,216 2,060,017 2,519,053
Fuels Marketing Segment | Related Party Revenue [Member]                      
Revenues:                      
Revenues                 0 0 8,645
Operating Segments [Member]                      
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 201,719 181,555 168,766
Operating income (loss):                      
Less other depreciation and amortization expense                 201,719 181,555 168,766
Total operating income (loss)                 501,716 453,110 82,120
Operating Segments [Member] | Pipeline Segment                      
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 84,951 77,691 68,871
Operating income (loss):                      
Less other depreciation and amortization expense                 84,951 77,691 68,871
Total operating income (loss)                 270,349 245,233 208,293
Operating Segments [Member] | Storage Segment                      
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 116,768 103,848 99,868
Operating income (loss):                      
Less other depreciation and amortization expense                 116,768 103,848 99,868
Total operating income (loss)                 217,818 183,104 (127,484)
Operating Segments [Member] | Fuels Marketing Segment                      
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 0 16 27
Operating income (loss):                      
Less other depreciation and amortization expense                 0 16 27
Total operating income (loss)                 13,507 24,805 (126)
Intersegment Eliminations [Member]                      
Revenues:                      
Revenues                 (25,606) (26,435) (32,044)
Operating income (loss):                      
Total operating income (loss)                 42 (32) 1,437
Corporate, Non-Segment [Member]                      
Depreciation, Depletion and Amortization [Abstract]                      
Depreciation and amortization expense                 8,491 10,153 10,155
Operating income (loss):                      
Less general and administrative expenses                 102,521 96,056 91,086
Less other depreciation and amortization expense                 $ 8,491 $ 10,153 $ 10,155