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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