Annual report pursuant to Section 13 and 15(d)

Postretirement Benefits Textuals (Details)

v3.6.0.2
Postretirement Benefits Textuals (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Contributions by Employer $ 1,181 $ 5,675
Accumulated benefit obligation $ 129,292 119,031
Alon Energy    
Defined Benefit Plan Disclosure    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 100.00%  
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 3.00%  
Defined Contribution Plan, Cost Recognized $ 3,215 3,340
Big Spring Refinery    
Defined Benefit Plan Disclosure    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 8.00%  
Alon Retail    
Defined Benefit Plan Disclosure    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 50.00%  
Defined Contribution Plan, Cost Recognized $ 1,214 1,100
Alon Retail | Minimum    
Defined Benefit Plan Disclosure    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 1.00%  
Alon Retail | Maximum    
Defined Benefit Plan Disclosure    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 4.50%  
Pension Plan    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Contributions by Employer $ 1,181 5,675
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year 2,625  
Defined Benefit Plan, Contributions by Plan Participants 0  
Defined Benefit Plan, Expected Future Benefit Payments, 2017 4,700  
Defined Benefit Plan, Expected Future Benefit Payments, 2018 5,793  
Defined Benefit Plan, Expected Future Benefit Payments, 2019 5,610  
Defined Benefit Plan, Expected Future Benefit Payments, 2020 6,060  
Defined Benefit Plan, Expected Future Benefit Payments, 2021 6,450  
Defined Benefit Plan, Expected Future Benefit Payments, 2022-2026 37,700  
Postretirement Medical Plan    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Amendments 5,199  
Other Postretirement Defined Benefit Plan, Liabilities 2,309 $ 7,633
Accumulated benefit obligation $ 2,309