v2.4.1.9
Related Party Transactions (Details 3) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Related Party Transaction [Line Items]      
Direct operating expenses — Affiliates $ 24,414,000us-gaap_DirectOperatingCosts $ 24,189,000us-gaap_DirectOperatingCosts  
Selling, general and administrative expenses — Affiliates 4,583,000us-gaap_SellingGeneralAndAdministrativeExpense 4,654,000us-gaap_SellingGeneralAndAdministrativeExpense  
Accounts payable, due to affiliates 1,752,000us-gaap_DueToAffiliateCurrent   2,279,000us-gaap_DueToAffiliateCurrent
Prepaid expenses and other current assets, from affiliates 2,346,000us-gaap_DueFromAffiliateCurrent   1,848,000us-gaap_DueFromAffiliateCurrent
Services Agreement      
Related Party Transaction [Line Items]      
Direct operating expenses — Affiliates 900,000us-gaap_DirectOperatingCosts
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
900,000us-gaap_DirectOperatingCosts
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
 
Selling, general and administrative expenses — Affiliates 2,400,000us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
3,100,000us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
 
Expenses from transaction with related party 3,300,000us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
4,000,000us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
 
Personnel costs 1,100,000us-gaap_LaborAndRelatedExpense
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
1,200,000us-gaap_LaborAndRelatedExpense
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
 
Services Agreement | Accounts payable and accrued expenses and other current liabilities      
Related Party Transaction [Line Items]      
Accounts payable, due to affiliates 1,300,000us-gaap_DueToAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= uan_AccountsPayableandAccruedExpensesandOtherCurrentLiabilitiesMember
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
  2,600,000us-gaap_DueToAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= uan_AccountsPayableandAccruedExpensesandOtherCurrentLiabilitiesMember
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
Services Agreement | Prepaid expenses and other current assets      
Related Party Transaction [Line Items]      
Prepaid expenses and other current assets, from affiliates $ 200,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember
  $ 100,000us-gaap_DueFromAffiliateCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_EnergyAxis
= uan_ServicesAgreementMember