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Background and Basis of Presentation (Details) - shares
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Common units and interest in the partnership    
General Partners' Capital Account, Units Issued 4,720  
Common Units    
Common units and interest in the partnership    
Common units issued 18,501,576 18,501,576
Class B Common Units    
Common units and interest in the partnership    
Common units issued 184,072 184,072
CF Industries | Common Units    
Common units and interest in the partnership    
Common units owned through subsidiaries 13,889,014  
Percentage of outstanding units owned through subsidiaries 75.10%  
Limited Partner [Member]    
Common units and interest in the partnership    
Ownership interest in the partnership (as a percent) 99.00%  
General Partner    
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%