| Consolidated Statement Of Cash Flows |
| | | | | | | | | | | | | | | | Year Ended December 31, | | | 2011 | | 2012 | | 2013 | Restricted cash | | $ | 14,379 |
| | $ | — |
| | $ | — |
| Trade accounts receivable and other accounts receivable | | 5,791 |
| | (10,867 | ) | | (19,314 | ) | Inventory | | (42,452 | ) | | 36,972 |
| | 34,664 |
| Energy commodity derivatives contracts, net of derivatives deposits | | (19,782 | ) | | 16,097 |
| | 534 |
| Accounts payable | | 20,226 |
| | (11,175 | ) | | 2,002 |
| Accrued payroll and benefits | | (2,209 | ) | | 2,250 |
| | 9,809 |
| Accrued interest payable | | 4,069 |
| | 1,512 |
| | 2,876 |
| Accrued taxes other than income | | 617 |
| | 5,519 |
| | 5,485 |
| Accrued product purchases | | 12,476 |
| | 12,249 |
| | (9,016 | ) | Deferred revenue | | 5,250 |
| | 6,388 |
| | 16,793 |
| Current and noncurrent environmental liabilities | | 16,861 |
| | (1,372 | ) | | (12,247 | ) | Other current and noncurrent assets and liabilities | | (740 | ) | | (14,874 | ) | | (15,878 | ) | Total | | $ | 14,486 |
| | $ | 42,699 |
| | $ | 15,708 |
|
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