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Commitments and Contingencies (Details 2) (CRRM, New Vitol Agreement)	12 Months Ended
	Dec. 31, 2014
CRRM | New Vitol Agreement
Unrecorded Unconditional Purchase Obligation [Line Items]
Renewal term of agreement	1 year
Number of days for prior notice of nonrenewal	180 days

X

- Definition

Represents the number of days for prior notice from expiration of the initial term or any renewal term for nonrenewal of agreement.

+ References

No definition available.

+ Details

Name:	cvi_NonrenewalPriorNoticeTerm
Namespace Prefix:	cvi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the period of successive automatic renewal term for agreement.

+ References

No definition available.

+ Details

Name:	cvi_RenewalTermOfAgreement
Namespace Prefix:	cvi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration