Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.21.2
Subsequent Events (Details) - USD ($)
9 Months Ended
Oct. 05, 2021
Sep. 30, 2021
Sep. 30, 2020
Oct. 06, 2021
Aug. 10, 2021
Dec. 31, 2020
May 03, 2019
Subsequent Event [Line Items]              
Senior Notes   $ 400,000,000     $ 400,000,000 $ 0  
Senior Notes, Interest Rate   925.00%          
Senior Notes Redemption Percentage         99.018%    
Repayments of 2nd Lien Term   $ 56,890,000 $ 0        
Common stock, par value (in USD per share)   $ 0.01       $ 0.01  
Common stock, shares authorized (in shares)   110,000,000       110,000,000  
Revolving Credit Facility              
Subsequent Event [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity   $ 375,000,000         $ 1,000,000,000
Subsequent Event [Member]              
Subsequent Event [Line Items]              
Merger shares 0.51            
Penn Virginia Ownership of Combined Company 87.00%            
Lonestar Ownership of Combined Company 13.00%            
Senior Notes, Interest Rate 925.00%            
Share Price $ 30.19            
Merger, Value of shares $ 173,600,000            
Repayments of 2nd Lien Term 146,200,000            
Repayments of Lonestar's debt 249,800,000            
Derivative restructuring fees 50,000,000            
Escrow Funds Released $ 411,500,000            
Juniper Ownership of Combined Company 52.00%            
Subsequent Event [Member] | Revolving Credit Facility              
Subsequent Event [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity $ 600,000,000            
Line of Credit Facility, Commitment Fee Amount $ 400,000,000            
Subsequent Event [Member] | Common Class B              
Subsequent Event [Line Items]              
Common stock, par value (in USD per share)       $ 0.01      
Common stock, shares authorized (in shares)       30,000,000      
Subsequent Event [Member] | Common Class A              
Subsequent Event [Line Items]              
Common stock, shares authorized (in shares)       145,000,000