Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2017
Aug. 10, 2017
Entity Registrant Name Rosehill Resources Inc.  
Entity Central Index Key 0001659122  
Document Type 10-Q  
Trading Symbol ROSE  
Document Period End Date Jun. 30, 2017  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity a Well-known Seasoned Issuer No  
Entity a Voluntary Filer No  
Entity's Reporting Status Current Yes  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2017  
Common Class A [Member]    
Entity Common Stock, Shares Outstanding   5,962,245
Class F Common Stock [Member]    
Entity Common Stock, Shares Outstanding   29,807,692