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Acquisition - Parent Affiliate Units (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2016 | Jun. 30, 2016
Business Acquisition [Line Items] |  |
Units purchased (in units) | 400,000 |
Common units sold (in units) |  | 400,000
Sale of noncontrolling interest |  | $ 5.0
CVR Nitrogen |  |
Business Acquisition [Line Items] |  |
Limited partner interest | 1.00% |

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