XML 77 R62.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments and Contingencies (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 26 Months Ended
Mar. 22, 2018
USD ($)
Mar. 17, 2017
USD ($)
Mar. 23, 2015
Jun. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
claim
Sep. 30, 2018
USD ($)
claim
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2018
USD ($)
claim
Jun. 17, 2013
USD ($)
Aug. 03, 2011
USD ($)
Long-term Purchase Commitment [Line Items]                      
Loss contingency, damages sought   $ 4,500,000                  
Multiplier for earnout payment before EBITDA         4 4     4    
Minimum EBITDA benchmark                     $ 3,500,000.0
Maximum earnout payment amount                     $ 4,500,000.0
RINs benefit (expense)         $ (3,300,000) $ 7,500,000          
Site contingency, recovery from third party of environmental remediation cost                 $ 12,200,000    
Environmental costs recognized, capitalized in period                 $ 13,100,000    
Number of remaining claim to be resolved | claim         2 2     2    
Bankruptcy claims amount of claims to be settled         $ 22,400,000 $ 22,400,000     $ 22,400,000    
Estimated value of claims remaining to be settled         500,000 500,000     500,000    
Maximum bankruptcy claims remaining         $ 22,400,000 $ 22,400,000     $ 22,400,000    
Predecessor working ownership percentage         3.40% 3.40%     3.40%    
Allowed claims, settlement ratio           0.0544          
Wyoming Refinery One                      
Long-term Purchase Commitment [Line Items]                      
Environmental remediation accrual         $ 17,500,000 $ 17,500,000     $ 17,500,000    
Environmental costs recognized, period for recognition of one third costs           5 years          
Environmental costs recognized, remainder, period for recognition           30 years          
Wyoming Refinery Two | Waste Water Treatment System                      
Long-term Purchase Commitment [Line Items]                      
Environmental remediation accrual         11,600,000 $ 11,600,000     11,600,000    
Wyoming Refinery                      
Long-term Purchase Commitment [Line Items]                      
Loss contingency, range of possible loss         100,000 100,000     100,000    
United Steelworkers Union                      
Long-term Purchase Commitment [Line Items]                      
Collective bargaining arrangement, extension term     4 years                
Tesoro Corporation                      
Long-term Purchase Commitment [Line Items]                      
Contingent consideration (up to)                   $ 20,000,000  
Loss contingency, damages paid $ 10,500,000           $ 16,800,000        
Loss contingency, damages sought             $ 8,300,000 $ 4,300,000      
Tesoro Corporation | Maximum                      
Long-term Purchase Commitment [Line Items]                      
Contingent consideration (up to)                   $ 40,000,000  
Barbatas Earnout                      
Long-term Purchase Commitment [Line Items]                      
Loss contingency, damages paid       $ 350,000              
Site contingency, loss exposure not accrued, best estimate       $ 300,000              
Tesoro Corporation | Indemnification Agreement                      
Long-term Purchase Commitment [Line Items]                      
Deductible for indemnification obligation         1,000,000 1,000,000     1,000,000    
Indemnification obligation cap         $ 15,000,000 $ 15,000,000     $ 15,000,000