Related Party Transactions - Expenses From Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Related Party Transaction [Line Items]
Cost of materials and other	$ 19,139	$ 22,141	$ 41,608	$ 43,878
Direct operating expenses (exclusive of depreciation and amortization)	47,465	37,796	86,134	73,693
Selling, general and administrative expenses	6,900	5,754	12,562	12,668
Coke Supply Agreement \| Coffeyville Resources Refining & Marketing, LLC (CRRM) \| Petroleum coke
Related Party Transaction [Line Items]
Cost of materials and other	716	507	1,075	981
Hydrogen Purchase and Sale Agreement \| Coffeyville Resources Refining & Marketing, LLC (CRRM) \| Hydrogen
Related Party Transaction [Line Items]
Cost of materials and other	774	892	2,084	2,109
Railcar Lease Agreements \| ARI Leasing, LLC (ARI)
Related Party Transaction [Line Items]
Cost of materials and other	361	223	722	447
Services Agreement \| CVR Energy
Related Party Transaction [Line Items]
Direct operating expenses (exclusive of depreciation and amortization)	769	782	1,384	1,391
Selling, general and administrative expenses	3,895	3,006	6,758	6,158
Limited Partnership Agreement \| CVR GP
Related Party Transaction [Line Items]
Direct operating expenses (exclusive of depreciation and amortization)	174	128	330	302
Selling, general and administrative expenses	$ 787	$ 590	$ 1,294	$ 1,324

The aggregate cost of goods produced and sold during the reporting period, excluding depreciation, depletion, and amortization.

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- Definition

The aggregate direct operating costs incurred during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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