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Segment Data (Details) (USD $) In Thousands, unless otherwise specified | 2 Months Ended | 3 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Nov. 05, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 111,208 | $ 249,216 | $ 271,806 | $ 262,480 | $ 239,084 | $ 187,000 | $ 199,825 | $ 198,158 | $ 159,096 | $ 911,378 | $ 1,022,586 | $ 744,079 | $ 504,408
Cost of Goods Sold | 96,933 |  |  |  |  |  |  |  |  | 862,501 | 959,434 | 700,505 | 476,678
Operating expenses | 2,931 |  |  |  |  |  |  |  |  | 20,431 | 23,362 | 12,940 | 2,920
Segment Contribution Margin |  |  |  |  |  |  |  |  |  |  | 39,790 | 30,634 | 24,810
General and Administrative Expense | 1,169 |  |  |  |  |  |  |  |  | 7,220 | 8,389 | 5,795 | 4,247
Depreciation and amortization | 1,205 |  |  |  |  |  |  |  |  | 7,470 | 8,675 | 4,820 | 2,810
Loss on asset disposals | 0 |  |  |  |  |  |  |  |  | 9 | 9 | (2) | 0
Operating income | 8,970 | 7,791 | 6,072 | 3,935 | 4,919 | 4,707 | 5,754 | 3,112 | 6,448 | 13,747 | 22,717 | 20,021 | 17,753
Total assets | 245,769 | 245,769 | 245,769 |  |  | 199,827 |  |  |  |  | 245,769 | 199,827 | 71,831
Purchases of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 11,099 | 885 | 0
Pipelines and Transportation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 33,539 | 21,878 | 9,451
Cost of Goods Sold |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating expenses |  |  |  |  |  |  |  |  |  |  | 17,862 | 9,530 | 1,955
Segment Contribution Margin |  |  |  |  |  |  |  |  |  |  | 15,677 | 12,348 | 7,496
Total assets | 147,257 | 147,257 |  |  |  | 111,564 |  |  |  |  | 147,257 | 111,564 | 1,793
Purchases of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 6,555 | 267 | 0
Wholesale Marketing and Terminalling [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 989,047 | 722,201 | 494,957
Cost of Goods Sold |  |  |  |  |  |  |  |  |  |  | 959,434 | 700,505 | 476,678
Operating expenses |  |  |  |  |  |  |  |  |  |  | 5,500 | 3,410 | 965
Segment Contribution Margin |  |  |  |  |  |  |  |  |  |  | 24,113 | 18,286 | 17,314
Total assets | 98,512 | 98,512 |  |  |  | 88,263 |  |  |  |  | 98,512 | 88,263 | 70,038
Purchases of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | $ 4,544 | $ 618 | $ 0

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