CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows from Operating Activities:
Net income (loss)	$ 52,785	$ (81,320)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss from discontinued operations	0	19,573
Oil and gas lease expirations	2,053	8,615
Depletion, depreciation, amortization and accretion	20,688	19,323
Loss on derivatives	67,188	74,208
Settlements on derivative contracts	(60,172)	(5,133)
Amortization of deferred financing costs	655	483
Unit-based compensation expense	0	689
Share-based compensation expense	2,808	5,353
Deferred income tax expense	13,074	17,185
Changes in operating assets and liabilities:
Accounts receivable	(15,348)	(5,545)
Accounts receivable – related parties	456	(1,940)
Prepaid expenses and other current assets	(1,311)	(534)
Accounts payable and accrued liabilities	5,101	5,042
Accounts payable - related parties	(343)	0
Revenue payable	8,156	3,006
Other current liabilities	1,197	(164)
Net Cash Provided by Operating Activities - Continuing Operations	96,987	58,841
Cash Flows from Investing Activities:
Additions to oil and natural gas properties	(76,058)	(38,882)
Acquisitions of oil and natural gas properties	0	(171)
Additions to other property and equipment	(1,137)	(1,172)
Tengasco acquired cash	0	859
Net Cash Used in Investing Activities - Continuing Operations	(77,195)	(39,366)
Cash Flows from Financing Activities:
Deferred financing costs	(1,989)	(135)
Proceeds from revolving credit facility	9,000	5,500
Repayment under revolving credit facility	(8,000)	(9,000)
Payment of common share/unit dividends	(18,254)	(12,834)
Payment of preferred unit dividends	0	(1,491)
Common stock repurchased for tax withholding	(816)	0
Purchase of common units under long-term incentive plan	0	(191)
Net Cash Used in Financing Activities - Continuing Operations	(20,059)	(18,151)
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	(267)	1,324
Cash Flows from Discontinued Operations:
Operating activities	0	18
Investing activities	0	3,892
Net Increase in Cash and Cash Equivalents from Discontinued Operations	0	3,910
Net Increase (Decrease) in Cash and Cash Equivalents	(267)	5,234
Cash and Cash Equivalents, Beginning of Period	17,067	1,660
Cash and Cash Equivalents, End of Period	16,800	6,894
Cash Paid For:
Interest, net of capitalized interest	1,288	2,864
Non-cash Investing and Financing Activities - Continuing Operations:
Changes in capital expenditures in accounts payable and accrued liabilities	2,153	7,909
Right-of-use assets obtained in exchange for operating lease liability	1,624	0
Preferred unit dividends paid in kind	0	904
Common stock issued in exchange for common units	0	192,191
Assets acquired and liabilities assumed in business combination	0	3,497
Common shares issued for business combination	0	26,392
Preferred units converted to common units	0	61,196
Non-cash Investing - Discontinued Operations:
Goodwill incurred in business combination	0	19,057
Assets acquired and liabilities assumed in business combination	$ 0	$ 2,978