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Background and Basis of Presentation (Details) - shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Common units and interest in the partnership    
General Partners' Capital Account, Units Issued 4,720  
Common    
Common units and interest in the partnership    
Common Units issued 18,501,576 18,501,576
Common Units outstanding 18,501,576 18,501,576
Class B Common Units    
Common units and interest in the partnership    
Common Units issued 184,072 184,072
Common Units outstanding 184,072 184,072
CF Industries Holdings Inc [Member] | Common    
Common units and interest in the partnership    
Common units owned through subsidiaries 13,889,014  
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest 75.10%  
Limited Partner [Member]    
Common units and interest in the partnership    
Ownership interest in the partnership (as a percent) 99.00%  
General Partner's Interest    
Common units and interest in the partnership    
Ownership interest in the partnership (as a percent) 0.025%  
Affiliate of General Partner | Limited Partner [Member] | Terra LP Holdings LLC [Member]    
Common units and interest in the partnership    
Ownership interest in the partnership (as a percent) 0.975%