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Subsequent Event (Details) - USD ($)
Nov. 10, 2021
Nov. 09, 2021
Apr. 11, 2016
Revolving credit facility | Senior Secured Reserve-Based Credit Facility | Line of Credit      
Subsequent Event [Line Items]      
Initial borrowing base     $ 50,000,000
Subsequent Event      
Subsequent Event [Line Items]      
Dividend rate (in dollars per share)   $ 0.075  
Subsequent Event | Revolving credit facility | Senior Secured Reserve-Based Credit Facility | Line of Credit      
Subsequent Event [Line Items]      
Initial borrowing base   $ 50,000,000  
Percent of borrowings base utilized   25.00%  
Commitment fee amount $ 40,000,000    
Borrowing base amount available $ 36,000,000    
Subsequent Event | Revolving credit facility | Senior Secured Reserve-Based Credit Facility | Line of Credit | Minimum      
Subsequent Event [Line Items]      
Percent of instrument hedged   25.00%  
Subsequent Event | Revolving credit facility | Senior Secured Reserve-Based Credit Facility | Line of Credit | Maximum      
Subsequent Event [Line Items]      
Percent of instrument hedged   75.00%