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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
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