v3.5.0.2

Related Party Transactions - Additional Information (Details)			3 Months Ended		6 Months Ended
	Apr. 01, 2016 USD ($)	Feb. 09, 2016 USD ($)	Jun. 30, 2016 USD ($) railcar shares	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Accounts payable, due to affiliates			$ 2,075,000		$ 2,075,000		$ 1,940,000
Personnel accruals, with affiliates			1,946,000		1,946,000		1,974,000
Purchase of noncontrolling interest					5,000,000
Services Agreement
Related Party Transaction [Line Items]
Personnel costs			1,900,000	$ 1,500,000	3,300,000	$ 2,600,000
Accounts payable, due to affiliates			2,800,000		2,800,000		3,200,000
Limited Partnership Agreement
Related Party Transaction [Line Items]
Personnel costs			1,100,000	$ 1,000,000	2,200,000	$ 2,100,000
Personnel accruals, with affiliates			2,000,000		2,000,000		2,000,000
Insight Portfolio Group LLC
Related Party Transaction [Line Items]
Due to related party			$ 0		$ 0		$ 0
CRLLC
Related Party Transaction [Line Items]
Minimum face amount of third party debt		$ 125,000,000
CRLLC | Maximum
Related Party Transaction [Line Items]
Guaranty agreement, term of debt		2 years
CRLLC | Minimum
Related Party Transaction [Line Items]
Termination of guaranty, term of third party debt		1 year
CRLLC | Letter of Credit
Related Party Transaction [Line Items]
Loan term	1 year
Borrowing capacity	$ 150,000,000.0
CRLLC | Letter of Credit | LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate (as a percent)	3.00%
CVR Energy
Related Party Transaction [Line Items]
Units purchased (in units) | shares			400,000
Purchase of noncontrolling interest			$ 5,000,000
Affiliates
Related Party Transaction [Line Items]
Lease agreement, number of railcars | railcar			115
Lease agreement, term contract			7 years
Affiliates | AEPC Facility | Senior Notes
Related Party Transaction [Line Items]
Debt instrument face amount	$ 320,000,000.0
Loan term	2 years
Debt instrument, percentage rate	12.00%

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