Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Feb. 18, 2020
Jun. 28, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 001-35120    
Entity Registrant Name CVR Partners, LP    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 56-2677689    
Entity Address, Address Line One 2277 Plaza Drive, Suite 500    
Entity Address, City or Town Sugar Land    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77479    
City Area Code 281    
Local Phone Number 207-3200    
Title of 12(b) Security Common units representing limited partner interests    
Trading Symbol UAN    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 303.5
Entity Common Stock, Shares Outstanding   113,282,973  
Entity Central Index Key 0001425292    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY