XML 70 R58.htm IDEA: XBRL DOCUMENT v3.20.2
Inventory Financing Agreements - Washington Refinery Intermediation Agreement (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 01, 2019
Jan. 11, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Supply Commitment [Line Items]              
Supply and exchange agreement expenses     $ 16,414 $ 20,278 $ 35,088 $ 38,988  
Washington Refinery Intermediation Agreement              
Supply Commitment [Line Items]              
Percentage of receivables and inventory for deferred payment arrangement   95.00%          
Amount of deferred payment arrangement   $ 90,000          
Unused capacity, commitment fee percentage 0.75% 1.50%          
Outstanding receivable advance balance     41,600   41,600   $ 63,800
Supply and exchange agreement expenses     700 1,500 1,700 2,800  
Washington Refinery Intermediation Agreement | Inventory Intermediation              
Supply Commitment [Line Items]              
Handling fees     1,000 $ 900 2,100 $ 1,700  
Washington Refinery Intermediation Agreement | Letter of Credit              
Supply Commitment [Line Items]              
Balance outstanding on the credit facility     $ 72,200   $ 72,200   $ 127,200
London Interbank Offered Rate (LIBOR) | Washington Refinery Intermediation Agreement              
Supply Commitment [Line Items]              
Margin on LIBOR rate   3.25%