Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments Textuals (Details)

v3.7.0.1
Derivative Financial Instruments Textuals (Details)
bbl in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
bbl
Mar. 31, 2016
USD ($)
Mar. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash Flow Hedges:          
Net gain (loss) $ 293 $ (1,051)      
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net 0 0      
Component of Cash Flow Hedge Gain (Loss) Excluded From Hedge Effectiveness Assessment 0 0      
Compliance Program Market Risk:          
RINs cost (benefit) (13,246) $ 11,211      
Swaps | Term Loan | Alon Retail Credit Agreement          
Cash Flow Hedges:          
Retail credit facilities $ 95,884        
Swaps | Interest Rate Swaps | Scenario, Forecast          
Cash Flow Hedges:          
Derivative, Average Fixed Interest Rate     3.06% 2.89% 2.40%
Swaps | Interest Rate Swaps | Term Loan | Alon Retail Credit Agreement          
Cash Flow Hedges:          
Percentage of Debt Hedged by Interest Rate Derivatives 75.00%        
Cash Flow Hedging          
Cash Flow Hedges:          
Accumulated Other Comprehensive Income (Loss), before tax $ (1,663)        
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ (827)        
Designated as Hedging Instrument | Forward Contracts | Fair Value Hedges          
Notional Disclosures (in barrels):          
Nonmonetary Notional Amount | bbl 444