Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments Textuals (Details)

v3.6.0.2
Derivative Financial Instruments Textuals (Details)
bbl in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
bbl
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Mar. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash Flow Hedges:            
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net $ 0 $ 0 $ 0      
Component of Cash Flow Hedge Gain (Loss) Excluded from Hedge Effectiveness Assessment 0 0 0      
Compliance Program Market Risk:            
Compliance Program Costs 51,048 35,062 27,110      
Term Loan | Alon Retail Credit Agreement            
Cash Flow Hedges:            
Retail Credit Facilities 96,922 104,540        
Commodity Contracts            
Cash Flow Hedges:            
Other Comprehensive Income, Amortization Of Unrealized (Gain) Loss Attributable To Discontinued Commodity Hedges 0 (41,948) 15,572      
Net gain (loss) 0 (35,878) 65,860      
Interest Rate Swaps            
Cash Flow Hedges:            
Net gain (loss) $ 220 $ (938) $ (1,238)      
Swaps | Interest Rate Swaps | Scenario, Forecast            
Cash Flow Hedges:            
Derivative, Average Fixed Interest Rate       3.06% 2.89% 2.22%
Swaps | Interest Rate Swaps | Term Loan | Alon Retail Credit Agreement            
Cash Flow Hedges:            
Percentage of Debt Hedged by Interest Rate Derivatives 75.00%          
Retail Credit Facilities $ 97,900          
Cash Flow Hedging            
Cash Flow Hedges:            
Accumulated Other Comprehensive Income (Loss), before Tax (1,956)          
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ (907)          
Designated as Hedging Instrument | Forward Contracts | Fair Value Hedges            
Notional Disclosures (in barrels):            
Derivative, Nonmonetary Notional Amount | bbl 425