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Share-Based Compensation - Summary of Phantom Unit Activity and Changes Under CVR Partners LTIP (Details) - CVR Partners, LP - CVR Partners Long Term Incentive Plan - Phantom Units
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Units  
Non-vested at the beginning of the period (in shares) | shares 771,786
Granted (in shares) | shares 0
Vested (in shares) | shares (7,333)
Forfeited (in shares) | shares (2,316)
Non-vested at the end of the period (in shares) | shares 762,137
Weighted-Average Grant-Date Fair Value  
Non-vested at the beginning of the period (in dollars per share) | $ / shares $ 6.47
Granted (in dollars per share) | $ / shares 0.00
Vested (in dollars per share) | $ / shares 8.03
Forfeited (in dollars per share) | $ / shares 7.77
Non-vested at the end of the period (in dollars per share) | $ / shares $ 6.45