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Long-Term Debt (Details Textuals) - USD ($)
1 Months Ended 6 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Jul. 31, 2021
Jun. 30, 2021
Senior Secured Bank Credit Facility [Abstract]        
Borrowing base       $ 575,000,000
Lender commitments       $ 575,000,000
Weighted average interest rate       4.00%
Commitment fee percentage       0.50%
NEJD Pipeline        
Senior Secured Bank Credit Facility [Abstract]        
Payments to reacquire pipeline   $ 70,000,000   $ 35,000,000.0
NEJD Pipeline | Subsequent Event        
Senior Secured Bank Credit Facility [Abstract]        
Payments to reacquire pipeline $ 17,500,000   $ 17,500,000  
Minimum        
Senior Secured Bank Credit Facility [Abstract]        
Current ratio requirement       1.0
Minimum | Dividend or Other Restricted Payment        
Senior Secured Bank Credit Facility [Abstract]        
Borrowing base availability requirement       20.00%
Maximum        
Senior Secured Bank Credit Facility [Abstract]        
Consolidated total debt to consolidated EBITDAX requirement       3.5
Maximum | Dividend or Other Restricted Payment        
Senior Secured Bank Credit Facility [Abstract]        
Consolidated total debt to consolidated EBITDAX requirement       2