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Subsequent Events - Rentech Mergers (Details) - USD ($) |  | 1 Months Ended |
--- | --- | --- | ---
Apr. 01, 2016 | Mar. 31, 2016 | Mar. 14, 2016
Subsequent Event [Line Items] |  |  |
Common units purchased |  | 400,000 |
Disposed of by Sale | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Percentage of subsidiary sold |  |  | 100.00%
Subsequent event | Senior Notes | Second Lien Notes due 2021 | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Aggregate principal amount | $ 320,000,000.0 |  |
Stated interest rate (as a percent) | 6.50% |  |
Period to repurchase debt subsequent to merger | 90 days |  |
Redemption price, as a percentage | 101.00% |  |
Subsequent event | Secured Debt | Line of Credit | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Borrowing capacity | $ 50,000,000.0 |  |
Subsequent event | Secured Debt | Line of Credit | Wells Fargo Credit Agreement | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Borrowing capacity | 50,000,000.0 |  |
Subsequent event | Secured Debt | Line of Credit | Wells Fargo Credit Agreement | CVR Partners, LP |  |  |
Subsequent Event [Line Items] |  |  |
Repayments of debt | 49,400,000 |  |
Subsequent event | Letter of Credit | Line of Credit | Wells Fargo Credit Agreement | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Borrowing capacity | $ 10,000,000 |  |
Subsequent event | East Dubuque Merger | East Dubuque |  |  |
Subsequent Event [Line Items] |  |  |
Unit consideration received per outstanding common unit | 1.04 |  |
Cash consideration received per outstanding common unit | $ 2.57 |  |
Subsequent event | East Dubuque Merger | CVR Partners, LP |  |  |
Subsequent Event [Line Items] |  |  |
Number of shares issued | 40,200,000 |  |
Cash consideration | $ 99,200,000 |  |

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