Related Party Transactions (Details) (USD $)		12 Months Ended			1 Months Ended		1 Months Ended	12 Months Ended			1 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013 Affiliate of General Partner	Dec. 31, 2012 Affiliate of General Partner	Dec. 31, 2011 Affiliate of General Partner	Jan. 31, 2011 Affiliate of General Partner Terminals item	Dec. 31, 2012 Affiliate of General Partner Cash collection and disbursement arrangement	Jan. 31, 2011 Affiliate of General Partner Services and Offtake agreement	Dec. 31, 2013 Affiliate of General Partner Leases	Dec. 31, 2012 Affiliate of General Partner Leases	Dec. 31, 2011 Affiliate of General Partner Leases	Jan. 31, 2011 Affiliate of General Partner Leases Terminals	Jan. 31, 2013 Affiliate of General Partner Leases Ammonia assets item	Jan. 31, 2011 Affiliate of General Partner Leases Rail cars	Dec. 31, 2013 CF Industries Services and Offtake agreement	Dec. 31, 2012 CF Industries Services and Offtake agreement	Dec. 31, 2011 CF Industries Services and Offtake agreement
Related party transactions
Revenue recognized from sale of product inventory							$ 15,300,000
Term of agreement							1 year					5 years	1 year
Extended term of agreement							1 year					5 years	1 year
Payroll, payroll-related expenses and other employee related benefits		24,700,000	21,900,000	20,600,000
Allocated expenses														15,300,000	15,000,000	14,500,000
Demand deposits with affiliates of the General Partner	5,400,000					5,400,000
Due to affiliates, net		25,300,000
Number of terminals leased					2
Base quarterly rent of leased asset											109,000	100,000
Number of options to renew lease term under amended and restated agreement												3
Quarterly rent per leased asset (in dollars per car)													3,600
Rental income received								$ 600,000	$ 600,000	$ 600,000