Related Party Transactions - Expenses From Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Related Party Transaction [Line Items]
Cost of materials and other	$ 21,617	$ 19,590	$ 71,347	$ 61,198
Direct operating expenses (exclusive of depreciation and amortization)	47,554	35,334	128,004	121,468
Selling, general and administrative expenses	6,326	6,393	19,637	18,955
Coke Supply Agreement \| CRRM \| Petroleum coke
Related Party Transaction [Line Items]
Cost of materials and other	705	1,057	3,255	2,133
Hydrogen Purchase and Sale Agreement \| CRRM \| Hydrogen
Related Party Transaction [Line Items]
Cost of materials and other	984	1,072	3,719	3,157
Services Agreement \| CVR Energy
Related Party Transaction [Line Items]
Direct operating expenses (exclusive of depreciation and amortization)	797	761	2,586	2,145
Selling, general and administrative expenses	3,915	3,595	11,724	10,353
Limited Partnership Agreement \| CVR GP
Related Party Transaction [Line Items]
Direct operating expenses (exclusive of depreciation and amortization)	219	242	595	572
Selling, general and administrative expenses	$ 651	$ 626	$ 2,191	$ 1,920

Cost of product sold and service rendered, excluding depreciation, depletion, and amortization.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(a))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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The aggregate direct operating costs incurred during the reporting period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section S99
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No definition available.

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+ 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

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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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