Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.19.3
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2019
Nov. 01, 2019
Document And Entity Information    
Entity Registrant Name Rosehill Resources Inc.  
Central Index Key 0001659122  
Document Type 10-Q  
Document Period-End Date Sep. 30, 2019  
Amendment Flag false  
Entity Ex Transition Period false  
Current Fiscal Year-End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Emerging Growth Company true  
Small Business true  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2019  
Entity Shell Company false  
Entity Current Reporting Status Yes  
Class A Common Stock    
Entity Common Stock, Shares Outstanding   14,454,526
Class B Common Stock    
Entity Common Stock, Shares Outstanding   29,807,692