Quarterly report pursuant to Section 13 or 15(d)

Introduction and Basis of Presentation (Details)

v3.21.1
Introduction and Basis of Presentation (Details)
Feb. 01, 2021
pipelineSystem
mile
Feb. 04, 2021
Crimson    
Schedule of Equity Method Investments [Line Items]    
Controlling economic interest   50.50%
Variable Interest Entity, Primary Beneficiary    
Schedule of Equity Method Investments [Line Items]    
Percentage of voting interest held in VIE 49.50%  
Crimson Midstream Holdings, LLC    
Schedule of Equity Method Investments [Line Items]    
Number of critical infrastructure pipeline systems | pipelineSystem 4  
Pipeline system length (in miles) 2,000  
Pipeline system active length (in miles) 1,300  
Crimson Midstream Holdings, LLC    
Schedule of Equity Method Investments [Line Items]    
Percentage of interest acquired 49.50% 49.50%