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Subsequent Events (Details) - Oasis Midstream Partners LP - USD ($)
shares in Thousands, $ in Millions
Feb. 01, 2022
Dec. 31, 2021
Subsequent Event [Line Items]    
Transaction costs   $ 2.9
Subsequent Event    
Subsequent Event [Line Items]    
Total purchase price $ 1,800.0  
Subsequent Event | Oasis Petroleum Inc.    
Subsequent Event [Line Items]    
Payments to Acquire Businesses, Gross $ 150.0  
Business Acquisition, Equity Interest Acquired, Number of Shares 33,800  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 21,000  
Subsequent Event | Oasis Midstream Public Unitholders    
Subsequent Event [Line Items]    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 12,900  
Subsequent Event | Oasis Midstream Partners LP    
Subsequent Event [Line Items]    
Business Acquisition, Equity Interest Acquired, Number of Shares 14,800  
Subsequent Event | Oasis Petroleum General Partners    
Subsequent Event [Line Items]    
Payments to Acquire Businesses, Gross $ 10.0