v2.4.1.9
Related Party Transactions (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
affiliate
Mar. 31, 2014
Apr. 30, 2011
Dec. 31, 2014
Related Party Transaction [Line Items]        
Number of parties 2uan_NumberOfParties      
Revenue from related party $ 93,050,000us-gaap_SalesRevenueGoodsNet $ 80,316,000us-gaap_SalesRevenueGoodsNet    
Receivables 2,346,000us-gaap_DueFromAffiliateCurrent     1,848,000us-gaap_DueFromAffiliateCurrent
Other long-term assets, with affiliates 912,000us-gaap_DueFromAffiliateNoncurrent     957,000us-gaap_DueFromAffiliateNoncurrent
Accounts payable, due to affiliates 1,752,000us-gaap_DueToAffiliateCurrent     2,279,000us-gaap_DueToAffiliateCurrent
Hydrogen | CRNF | Feedstock and Shared Services Agreement | CRRM        
Related Party Transaction [Line Items]        
Revenue from related party 6,500,000us-gaap_SalesRevenueGoodsNet
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_HydrogenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
5,900,000us-gaap_SalesRevenueGoodsNet
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_HydrogenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
   
Nitrogen | Feedstock and Shared Services Agreement        
Related Party Transaction [Line Items]        
Related party transaction incurred 0uan_RelatedPartyTransactionIncurred
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_NitrogenMember
200,000uan_RelatedPartyTransactionIncurred
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_NitrogenMember
   
Tail gas | CRNF | Feedstock and Shared Services Agreement | CRRM        
Related Party Transaction [Line Items]        
Receivables 200,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
    200,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
Percentage of payment agreed to be paid for cost of capital in fourth year 15.00%uan_RelatedPartyTransactionPercentageOfPaymentAgreedToBePaidForCostOfInstallationOfPipeInFourthYear
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
     
Period for payment of cost of installation of pipe     4 years  
Other long-term assets, with affiliates 900,000us-gaap_DueFromAffiliateNoncurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
    1,000,000us-gaap_DueFromAffiliateNoncurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
Accounts payable, due to affiliates 0us-gaap_DueToAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
    100,000us-gaap_DueToAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ProductOrServiceAxis
= uan_TailGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
Products and services, excluding hydrogen and tail gas | Feedstock and Shared Services Agreement        
Related Party Transaction [Line Items]        
Receivables 100,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_ProductsandServicesExcludingHydrogenandTailGasMember
    200,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_ProductsandServicesExcludingHydrogenandTailGasMember
Accounts payable, due to affiliates 800,000us-gaap_DueToAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_ProductsandServicesExcludingHydrogenandTailGasMember
    1,100,000us-gaap_DueToAffiliateCurrent
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_ProductsandServicesExcludingHydrogenandTailGasMember
Prepaid expenses and other current assets | Hydrogen | Feedstock and Shared Services Agreement | CRRM        
Related Party Transaction [Line Items]        
Receivables $ 1,900,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_HydrogenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember
    $ 1,300,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_EnergyAxis
= uan_FeedstockAndSharedServicesAgreementMember
/ us-gaap_ProductOrServiceAxis
= uan_HydrogenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesRefiningAndMarketingLLCMember