v2.4.1.9
Partners' Capital and Partnership Distributions (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended 0 Months Ended
Mar. 09, 2015
Mar. 31, 2015
partnership_interest
Apr. 29, 2015
Dec. 31, 2014
Related Party Transaction [Line Items]        
Number of types of partnership interests outstanding   2uan_PartnershipInterestOutstandingNumberOfTypes    
Common units issued (in units)   73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsIssued   73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsIssued
Common units outstanding (in units)   73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding   73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Maximum period after the end of each quarter of cash distribution to common unitholders   60 days    
Declared distribution made to limited partner (per unit) $ 0.41us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit      
Amount of declared distribution made to limited partner $ 30.0us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared      
CRLLC        
Related Party Transaction [Line Items]        
Common units outstanding (in units)   38,920,000us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesLLCMember
   
Subsequent Event        
Related Party Transaction [Line Items]        
Declared distribution made to limited partner (per unit)     $ 0.45us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Amount of declared distribution made to limited partner     $ 32.9us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Secondary offering | CRLLC        
Related Party Transaction [Line Items]        
Percentage of common units owned by CRLLC   53.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= uan_CoffeyvilleResourcesLLCMember
/ us-gaap_TransactionTypeAxis
= uan_SecondaryOfferingMember