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Revolving Credit Facilities (Details)
6 Months Ended
Jun. 30, 2022
USD ($)
May 05, 2022
USD ($)
Dec. 31, 2021
USD ($)
Oct. 06, 2021
USD ($)
Federal Funds Open Rate        
Short-term Debt [Line Items]        
Basis spread on variable rate 0.50%      
Federal Funds Open Rate | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 0.50%      
One-Month SOFR        
Short-term Debt [Line Items]        
Basis spread on variable rate 1.00%      
One-Month SOFR | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 1.00%      
One-Month SOFR | Minimum        
Short-term Debt [Line Items]        
Basis spread on variable rate 0.75%      
One-Month SOFR | Minimum | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 1.00%      
One-Month SOFR | Maximum        
Short-term Debt [Line Items]        
Basis spread on variable rate 1.75%      
One-Month SOFR | Maximum | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 2.00%      
Secured Overnight Financing Rate (SOFR) | Minimum        
Short-term Debt [Line Items]        
Basis spread on variable rate 1.85%      
Secured Overnight Financing Rate (SOFR) | Minimum | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 2.10%      
Secured Overnight Financing Rate (SOFR) | Maximum        
Short-term Debt [Line Items]        
Basis spread on variable rate 2.85%      
Secured Overnight Financing Rate (SOFR) | Maximum | Midstream        
Short-term Debt [Line Items]        
Basis spread on variable rate 3.10%      
Revolving Credit Facility        
Short-term Debt [Line Items]        
Initial borrowing base   $ 2,250,000,000    
Elected commitments   $ 1,300,000,000    
Percentage of aggregate commitments available under credit facility 20.00%      
Minimum current ratio 1.00      
Borrowings outstanding $ 133,650,000   $ 192,000,000  
Letters of credit outstanding 172,965,000   184,131,000  
Borrowings and issuance of letters of credit remaining capacity 993,385,000   923,869,000  
Revolving Credit Facility | Midstream        
Short-term Debt [Line Items]        
Borrowings outstanding 188,300,000   185,000,000  
Letters of credit outstanding 30,000   30,000  
Borrowings and issuance of letters of credit remaining capacity $ 411,670,000      
Letters of credit aggregate sub-limit       $ 600,000,000
Interest coverage ratio 2.50      
Revolving credit available for borrowing     $ 414,970,000  
Revolving Credit Facility | Minimum | Midstream        
Short-term Debt [Line Items]        
Maximum net leverage ratio 5.00      
Revolving Credit Facility | Maximum        
Short-term Debt [Line Items]        
Net leverage ratio 3.50      
Revolving Credit Facility | Maximum | Midstream        
Short-term Debt [Line Items]        
Maximum net leverage ratio 5.25      
Secured leverage ratio 3.25