v3.3.1.900
Formation of the Partnership, Organization and Nature of Business Formation of the Partnership, Organization and Nature of Business - Pending Mergers (Details)
 12 Months Ended
Aug. 09, 2015
subsidiary
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
fertilizer_facility
Business Acquisition [Line Items]      
Number of new subsidiaries | subsidiary 2    
Rentech Nitrogen and Rentech Nitrogen GP      
Business Acquisition [Line Items]      
Legal and other professional fees     $ 2,300,000
Rentech Nitrogen      
Business Acquisition [Line Items]      
Number of fertilizer facilities | fertilizer_facility     2
Forecast | Rentech Nitrogen      
Business Acquisition [Line Items]      
Partner's units acquired | shares   40,700,000  
Expense reimbursement payment   $ 10,000,000  
Forecast | Rentech Nitrogen | Rentech Nitrogen      
Business Acquisition [Line Items]      
CVR Partners common units eligible per Rentech Nitrogen common unit | shares   1.04  
Unit price | $ / shares   $ 2.57  
Termination fee   $ 31,200,000  
Senior Notes | Second Lien Senior Secured Notes due 2021 | Rentech Nitrogen      
Business Acquisition [Line Items]      
Debt instrument, percentage rate     6.50%
Letter of Credit | Rentech Nitrogen      
Business Acquisition [Line Items]      
Interest calculation period     360 days
Letter of Credit | Forecast | Rentech Nitrogen      
Business Acquisition [Line Items]      
Loan term   1 year  
Letter of Credit | CRLLC | Forecast      
Business Acquisition [Line Items]      
Borrowing capacity   $ 150,000,000.0  
Term Loan | Rentech Nitrogen      
Business Acquisition [Line Items]      
Borrowing capacity     $ 50,000,000.0
LIBOR | Letter of Credit | Rentech Nitrogen      
Business Acquisition [Line Items]      
Basis spread on variable rate (as a percent)     3.00%