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Organization and History of the Company (Details 3)
12 Months Ended
Aug. 09, 2015
subsidiary
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
fertilizer_facility
CVR Partners, LP      
Business Acquisition [Line Items]      
Number of new subsidiaries | subsidiary 2    
Rentech Nitrogen      
Business Acquisition [Line Items]      
Number of fertilizer facilities | fertilizer_facility     2
Forecast | Rentech Nitrogen | CVR Partners, LP      
Business Acquisition [Line Items]      
Expected issuance of common units | 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  
Second Lien Senior Secured Notes due 2021 | Senior Notes | Rentech Nitrogen      
Business Acquisition [Line Items]      
Stated interest rate (as a percent)     6.50%
Letter of Credit | Forecast | Rentech Nitrogen      
Business Acquisition [Line Items]      
Interest calculation period   360 days  
Loan term   1 year  
Secured Debt | Rentech Nitrogen      
Business Acquisition [Line Items]      
Borrowing capacity     $ 50,000,000.0
CRLLC | Letter of Credit | Forecast | CVR Partners, LP      
Business Acquisition [Line Items]      
Borrowing capacity   $ 150,000,000.0  
LIBOR | Letter of Credit | Forecast | Rentech Nitrogen      
Business Acquisition [Line Items]      
Basis spread on variable rate (as a percent)   3.00%