v3.19.2
Document and Entity Information Document - shares
6 Months Ended
Jun. 30, 2019
Aug. 02, 2019
May 28, 2019
May 27, 2019
Dec. 31, 2018
Document and Entity Information [Abstract]          
Document Type 10-Q        
Document Quarterly Report true        
Document Period End Date Jun. 30, 2019        
Document Transition Report false        
Entity File Number 001-38919        
Entity Registrant Name Rattler Midstream LP        
Entity Incorporation, State or Country Code DE        
Entity Tax Identification Number 83-1404608        
Entity Address, Address Line One 500 West Texas        
Entity Address, Address Line Two Suite 1200        
Entity Address, City or Town Midland,        
Entity Address, State or Province TX        
Entity Address, Postal Zip Code 79701        
City Area Code 432        
Local Phone Number 221-7400        
Title of 12(b) Security Common Units        
Trading Symbol RTLR        
Security Exchange Name NASDAQ        
Entity Current Reporting Status No        
Entity Interactive Data Current Yes        
Entity Filer Category Non-accelerated Filer        
Entity Small Business false        
Entity Emerging Growth Company true        
Entity Ex Transition Period true        
Entity Shell Company false        
Entity Common Stock, Shares Outstanding   43,700,000      
Class B Units Outstanding 107,815,152 107,815,152 107,815,152 0 0
Amendment Flag false        
Document Fiscal Year Focus 2019        
Document Fiscal Period Focus Q2        
Entity Central Index Key 0001748773        
Current Fiscal Year End Date --12-31