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Members’/Shareholders' Equity - Narrative (Details)		3 Months Ended			9 Months Ended
	Feb. 26, 2021 shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($)	Mar. 31, 2021	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2021 shares
Class of Stock [Line Items]
Dividends on common units/stock | $		$ 6,200,000	$ 0
Reverse stock split				0.083
Common stock outstanding post merger (in Shares) | shares	17,800,000	19,865,116			19,865,116		19,672,050
Share-based compensation expense | $		$ 553,000	779,000		$ 2,521,000	$ 5,353,000
Unit-based compensation expense | $		0	0		0	689,000
General and Administrative Expense
Class of Stock [Line Items]
Share-based compensation expense | $		$ 800,000	$ 800,000		$ 2,800,000	$ 5,400,000
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) | shares	1,387,022
Common stock outstanding post merger (in Shares) | shares		761,635			761,635
2021 Long-Term Incentive Plan | Restricted Stock
Class of Stock [Line Items]
Additional share based compensation to be recognized | $		$ 5,000,000			$ 5,000,000
Share based compensation to be recognized period					23 months
Granted (in Shares/Units) | shares					224,158
2018 Long-Term Incentive Plan | Restricted Stock Units
Class of Stock [Line Items]
Granted (in Shares/Units) | shares						13,309
Vesting period						36 months
Grant date fair value (USD per Share/Unit) | $ / shares						$ 112.47

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