Related Party Transactions (Details) (USD $)			6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 IEP Energy LLC	Jun. 30, 2014 American Railcar Industries, Inc	Jun. 30, 2014 AEPC	Jun. 30, 2013 AEPC	Jun. 30, 2014 AEPC	Jun. 30, 2013 AEPC	Jun. 30, 2014 Insight Portfolio Group (formerly Icahn Sourcing, LLC)	Jun. 30, 2013 Insight Portfolio Group (formerly Icahn Sourcing, LLC)	Jun. 30, 2014 Insight Portfolio Group (formerly Icahn Sourcing, LLC)	Jun. 30, 2013 Insight Portfolio Group (formerly Icahn Sourcing, LLC)	Jun. 30, 2014 CVR Partners, LP American Railcar Industries, Inc railcar
Related Party Transaction [Line Items]
Ownership percentage held by controlling stockholder			82.00%
Number of railcars purchased													50
Purchase of railcars													$ 6,700,000
Expenses from transactions with related parties				52,000									52,000
Due to parent	28,000,000	100,000			28,000,000		28,000,000
Federal taxes paid to AEPC under the Tax Allocation Agreement					98,100,000	139,000,000	98,100,000	139,000,000
Payment to related party									$ 0	$ 100,000	$ 100,000	$ 100,000