v3.5.0.2

Commitments and Contingencies - Natural Gas Purchases (Details) MMBTU in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) MMBTU
Long-term Purchase Commitment [Line Items]
Commitments to purchase natural gas	$ 1,768,000
Weighted average rate per MMBtu	$ 2.85
MMBtus under fixed-price contracts
Long-term Purchase Commitment [Line Items]
MMBtus under fixed-price contracts | MMBTU	620

X

- Definition

Long-term Purchase Commitment, Weighted Average Rate

+ References

No definition available.

+ Details

Name:	uan_LongtermPurchaseCommitmentWeightedAverageRate
Namespace Prefix:	uan_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Definition

Energy volume that must be purchased within the specified time period of the agreement to avoid penalties or unfavorable effects on pricing, among other adverse consequences.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired
Namespace Prefix:	us-gaap_
Data Type:	num:energyItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=uan_NaturalGasContractsFixedPriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: