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Members’/Shareholders' Equity - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Feb. 26, 2021
shares
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Sep. 30, 2021
shares
Class of Stock [Line Items]            
Dividends on common units/stock | $   $ 6,200 $ 8,800      
Reverse stock split     0.083      
Common stock outstanding post merger (in Shares) 17,800,000 19,853,649   19,853,649   19,672,050
Share-based compensation expense | $   $ 1,017 $ 4,571 $ 1,968 $ 4,571  
Unit-based compensation expense | $   $ 0 $ 276 $ 0 $ 689  
Tengasco            
Class of Stock [Line Items]            
Reverse stock split 0.083          
2021 Long-Term Incentive Plan            
Class of Stock [Line Items]            
Common stock reserved for future issuance (in Shares) 1,387,022          
Common stock outstanding post merger (in Shares)   782,529   782,529    
2021 Long-Term Incentive Plan | Restricted Stock            
Class of Stock [Line Items]            
Additional share based compensation to be recognized | $   $ 5,300   $ 5,300    
Share based compensation to be recognized period       25 months    
Granted (in Shares/Units)       206,753    
2018 Long-Term Incentive Plan | Restricted Stock Units            
Class of Stock [Line Items]            
Granted (in Shares/Units)         13,309  
Vesting period         36 months  
Grant date fair value (USD per Share/Unit) | $ / shares         $ 112.47