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Acquisition - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 01, 2016
Mar. 31, 2017
Mar. 31, 2016
Business Acquisition [Line Items]      
Net sales   $ 1,507.1 $ 905.5
Operating loss   (67.6) $ 39.9
East Dubuque Merger      
Business Acquisition [Line Items]      
Net sales   26.8  
Operating loss   $ 0.6  
CVR Nitrogen | East Dubuque Merger      
Business Acquisition [Line Items]      
Unit consideration per CVR Nitrogen common unit (in units) 1.04    
Cash consideration received per outstanding common unit (in dollars per share) $ 2.57    
CVR Partners, LP | East Dubuque Merger      
Business Acquisition [Line Items]      
Number of shares issued (in shares) 40,200,000    
Cash payment to CVR Nitrogen common unitholders and certain phantom unit holders $ 99.2    
Aggregate merger consideration 802.4    
Fair value of common units issued in a business combination 335.7    
Fair value of debt assumed $ 367.5