XML 87 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Insurance Claims (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Unusual or Infrequent Item [Line Items]          
Insurance recoveries   $ 0.0 $ 0.0 $ 27.3  
Coffeyville Refinery Incident, Fire Isomerization Unit          
Unusual or Infrequent Item [Line Items]          
Insurance recoveries $ 1.2        
CVR Refining, LP | Coffeyville Refinery Incident, Fire Isomerization Unit          
Unusual or Infrequent Item [Line Items]          
Property damage gross repair and other costs         $ 6.3
Property damage insurance deductible amount $ 5.0