Related Party Transactions - Distributions Paid (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Distribution Made to Limited Partner [Line Items]
Distributions declared	$ 0	$ 0
Distributions paid		$ 0	$ 45,300,000	$ 0
Distributions paid per common unit (in dollars per unit)			$ 4.00
CVR Energy
Distribution Made to Limited Partner [Line Items]
Distributions paid			$ 15,600,000