v2.4.1.9

Credit Facility (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 quarter
Credit Facility
Number of trailing quarters used in calculating the leverage ratio	4uan_DebtInstrumentCovenantNumberOfTrailingQuartersUsedForCalculationOfLeverageRatio
CRNF | Eurodollar
Credit Facility
Basis spread on variable rate (as a percent)	3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_VariableRateAxis = us-gaap_EurodollarMember
Variable rate basis	Eurodollar rate
CRNF | Eurodollar | Minimum
Credit Facility
Basis spread on variable rate (as a percent)	3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_EurodollarMember
CRNF | Eurodollar | Maximum
Credit Facility
Basis spread on variable rate (as a percent)	4.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_EurodollarMember
CRNF | Prime
Credit Facility
Basis spread on variable rate (as a percent)	2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember
Variable rate basis	prime rate
CRNF | Prime | Minimum
Credit Facility
Basis spread on variable rate (as a percent)	2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember
CRNF | Prime | Maximum
Credit Facility
Basis spread on variable rate (as a percent)	3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember
Term loan facility | CRNF
Credit Facility
Debt instrument face amount	125,000,000.0us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = uan_CRNFTermLoanFacilityMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Revolving credit facility | CRNF
Credit Facility
Borrowing capacity	25,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = uan_CRNFRevolvingCreditFacilityMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Revolving credit facility | CRNF | Maximum
Credit Facility
Uncommitted incremental facility	50,000,000.0uan_LineofCreditFacilityUncommittedIncrementalFacility / us-gaap_DebtInstrumentAxis = uan_CRNFRevolvingCreditFacilityMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_RangeAxis = us-gaap_MaximumMember

X

- Definition

Represents the number of trailing quarters used for calculating the leverage ratio under the terms of the credit facilities' covenants.

+ References

No definition available.

+ Details

Name:	uan_DebtInstrumentCovenantNumberOfTrailingQuartersUsedForCalculationOfLeverageRatio
Namespace Prefix:	uan_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the uncommitted incremental facility available under the revolving credit facility.

+ References

No definition available.

+ Details

Name:	uan_LineofCreditFacilityUncommittedIncrementalFacility
Namespace Prefix:	uan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=uan_CRNFRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=uan_CRNFTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: