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Acquisition - Parent Affiliate Units (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2016 | Jun. 30, 2016 | Jun. 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 (as a percent) |  | 1.00% | 1.00% |
CVR Nitrogen | CVR Partners, LP |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Limited partners ownership percentage |  |  | 100.00% |

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