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Commitments and Contingencies (Details 3) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Aug. 31, 2011 WRC | Dec. 31, 2013 WRC | Dec. 31, 2013 Icahn | Dec. 31, 2013 Maximum CRRM | Dec. 31, 2013 EHS landfill | Dec. 31, 2012 EHS landfill | Aug. 06, 2013 EHS CRRM | Mar. 31, 2012 EHS CRRM | Dec. 31, 2013 EHS CRRM issue | Dec. 31, 2012 EHS CRRM | Dec. 31, 2011 EHS CRRM | Mar. 31, 2012 EHS Maximum | Mar. 31, 2012 EHS Minimum | Dec. 31, 2013 MSAT II CRRM and CRT | Dec. 31, 2013 MSAT II CRRM | Dec. 31, 2013 MSAT II WRC | Sep. 28, 2012 Wynnewood refinery incident employee | Dec. 31, 2013 Affiliate Pension Obligations
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental accruals |  |  |  |  |  |  |  | $ 1,500,000 | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Environmental accruals included in other current liabilities |  |  |  |  |  |  |  | 300,000 | 700,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated closure and post-closure costs |  |  |  |  |  |  |  | 700,000 | 800,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of landfills |  |  |  |  |  |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |
Estimated future payments for environmental obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2015 |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2016 |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2018 |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Thereafter |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Undiscounted total |  |  |  |  |  |  |  | 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Less amounts representing interest at 2.73% |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued environmental liabilities at the end of the year |  |  |  |  |  |  |  | 1,500,000 | 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  | 2.73% |  |  |  |  |  |  |  |  |  |  |  |
Remaining amount expected to be spent for environmental remediation compliance, including capital expenditures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,000,000 |  | 105,000,000 |  |
Expense incurred to date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,600,000 | 52,200,000 |  |
Final renewable fuel percentage standard |  |  |  |  |  |  |  |  |  | 9.74% |  |  |  |  |  |  |  |  |  |  |
Cost of renewable identification numbers |  |  |  |  |  |  |  |  |  |  |  | 180,500,000 | 21,000,000 | 19,000,000 |  |  |  |  |  |  |
Biofuel blending obligation recorded in other current liabilities |  |  |  |  |  |  |  |  |  |  |  | 17,400,000 | 1,100,000 |  |  |  |  |  |  |  |
Estimated amount expected to be spent for environmental remediation compliance, including capital expenditures |  |  |  |  |  |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marquee issues under the Clean Air Act |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |
Percentage of refining capacity |  |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |
Environmental civil penalty |  |  |  |  |  |  |  |  |  |  | 700,000 |  |  |  |  |  |  |  |  |  |
Remaining costs associated with Second Consent Decree |  |  |  |  |  |  |  |  |  |  |  | 40,000,000 |  |  |  |  |  |  |  |  |
Estimated cost of completion of project |  |  |  |  |  |  |  |  |  |  | 1,200,000 |  |  |  |  |  |  |  |  |  |
Period over which incremental capital expenditure not material and limited primarily to retrofit and replacement of heaters and boilers (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 years | 5 years |  |  |  |  |
Payment of civil penalties |  |  |  | 950,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected remaining costs under consent order |  |  |  |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses related to environmental, health and safety ("EHS") matters | 111,300,000 | 28,400,000 | 7,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of employees fatally injured |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Ownership percentage held by controlling stockholder |  |  |  |  |  | 82.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum ownership interest in company | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate underfunded pension obligation if pension plans voluntarily terminated by affiliate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 591,800,000

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