Represents the purchase price of the entity's common stock offered in tender offer.

No definition available.

Name:	uan_CommonStockTenderOfferPurchasePrice
Namespace Prefix:	uan_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units or percentage investment of the limited partner interests held by the public.

+ References

No definition available.

+ Details

Name:	uan_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterestHeldByPublic
Namespace Prefix:	uan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of non-transferable contingent cash payment rights for each share.

+ References

No definition available.

+ Details

Name:	uan_NumberOfNonTransferableContingentCashPaymentRightsForEachShare
Namespace Prefix:	uan_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the aggregate ownership percentage held by related party pursuant to the transaction agreement.

+ References

No definition available.

+ Details

Name:	uan_PercentageOfOwnershipByRelatedParty
Namespace Prefix:	uan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Formation of the Partnership, Organization and Nature of Business (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013 CRLLC	Mar. 31, 2013 CVR Energy, Inc Offeror	Apr. 18, 2012 CVR Energy, Inc Offeror item
Limited partner interest (as a percent)		70.00%
Percentage of limited partner interest held by the public	30.00%
Price per share of common stock offered in tender offer (in dollars per share)				$ 30.00
Number of non-transferable contingent cash payment rights for each share				1
Aggregate ownership percentage			82.00%