Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Long-Term Debt - 2021 Notes (Details) - USD ($)	3 Months Ended		9 Months Ended
Long-Term Debt - 2021 Notes (Details) - USD ($)	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Mar. 31, 2016
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 0	$ 0	$ 0	$ 5,100,000
Senior Notes \| 6.5% Senior Notes due 2021
Debt Instrument [Line Items]
Stated interest rate	6.50%		6.50%
Senior Notes \| 6.5% Senior Notes due 2021 \| CVR Partners, LP
Debt Instrument [Line Items]
Debt instrument face amount						$ 320,000,000
Stated interest rate						6.50%
Loss on extinguishment of debt				$ 5,100,000
Outstanding debt	$ 2,200,000		$ 2,200,000		$ 2,200,000
Interest payable	$ 0		$ 0		$ 0