v3.20.4

Share-Based Compensation - Additional Information (Details) |  | 12 Months Ended
--- | --- | ---
Nov. 01, 2017 USD ($) trading_day $ / shares | Dec. 31, 2020 USD ($) plan | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Liabilities for unvested awards related to employees |  | $ 442,000 | $ 5,011,000 |
Outstanding liability |  | $ 7,475,000 | 8,187,000 |
Number of plans | plan |  | 2 |  |
Employer match of employee contribution of the first 6% of the participant's contribution |  | 100.00% |  |
Percentage of eligible compensation, matched by employer |  | 6.00% |  |
Vesting schedule for employer's matching funds |  | 3 years |  |
Matching contributions made during the year |  | $ 1,900,000 | 1,800,000 | $ 1,800,000
Phantom Unit Awards | CVR Partners LTIP |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense |  | $ 7,400,000 |  |
Weighted-average period for amortization of unrecognized compensation cost |  | 2 years 9 months 18 days |  |
Compensation expense |  | $ 600,000 | 2,300,000 | 1,900,000
Liabilities for unvested awards related to employees |  | 900,000 | 1,200,000 |
Amount paid to settle liability-classified awards upon vesting |  | 800,000 | 1,700,000 | 1,700,000
Incentive Unit Awards | CVR Energy, Inc |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation expense |  | 400,000 | 1,000,000.0 | 500,000
Liabilities for unvested awards related to employees |  | 0 | 1,400,000 |
Share-based liabilities paid |  | 2,200,000 | 0 | 800,000
Performance Unit Awards | 2017 Performance Unit Award Agreement | CVR Energy, Inc | Executive Chairman |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense |  | 2,300,000 |  |
Compensation expense |  | 0 | 0 | $ 400,000
Maximum cash payment | $ 10,000,000.0 |  |  |
Period for determination of cash payment value | trading_day | 30 |  |  |
Maximum price per share to trigger maximum cash payment (in dollars per unit) | $ / shares | $ 60 |  |  |
Outstanding liability |  | $ 0 | $ 400,000 |

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