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Acquisition - Parent Affiliate Units (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2016
Jun. 30, 2016
Sep. 30, 2016
Apr. 01, 2016
Business Acquisition [Line Items]        
Units purchased (in units) 400,000      
East Dubuque Merger        
Business Acquisition [Line Items]        
Fair value of noncontrolling interest for parent affiliate units       $ 4.6
CVR Partners, LP | East Dubuque Merger        
Business Acquisition [Line Items]        
Units purchased (in units)   400,000    
Fair value of noncontrolling interest for parent affiliate units       $ 4.6
Purchase of noncontrolling interest   $ 5.0    
CVR Nitrogen        
Business Acquisition [Line Items]        
Limited partner interest 1.00%      
CVR Nitrogen | CVR Partners, LP        
Business Acquisition [Line Items]        
Limited partners ownership percentage     100.00%