CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ (81,320)	$ 40,228
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss from discontinued operations	19,573	0
Oil and gas lease expirations	8,615	7,288
Depletion, depreciation, amortization and accretion	19,323	16,020
(Gain) Loss on derivatives	74,208	(36,999)
Settlements on derivative contracts	(5,133)	20,161
Amortization of deferred financing costs	483	484
Unit-based compensation expense	689	650
Share-based compensation expense	5,353	0
Deferred income tax expense	17,185	319
Changes in operating assets and liabilities:
Accounts receivable	(5,545)	5,643
Accounts receivable – related parties	(1,940)	159
Prepaid expenses and other current assets	(534)	(424)
Other non-current assets	0	82
Other liabilities	(6)	0
Accounts payable and accrued liabilities	5,042	(2,784)
Income taxes payable	(170)	0
Revenue payable	3,006	(1,199)
Advances from joint interest owners and related parties	12	(119)
Net Cash Provided By Operating Activities - Continuing Operations	58,841	49,509
Cash Flows From Investing Activities:
Additions to oil and natural gas properties	(38,882)	(41,228)
Acquisition of oil and natural gas properties	(171)	(4,806)
Additions to other property and equipment	(1,172)	(168)
Tengasco acquired cash	859	0
Net Cash Used In Investing Activities - Continuing Operations	(39,366)	(46,202)
Cash Flows From Financing Activities:
Deferred financing costs	(135)	(293)
Proceeds from revolving credit facility	5,500	14,000
Repayment under revolving credit facility	(9,000)	(7,000)
Payment of common share/unit dividends	(12,834)	(12,500)
Payment of preferred unit dividends	(1,491)	0
Purchase of common units under long-term incentive plan	(191)	(322)
Net Cash Used In Financing Activities - Continuing Operations	(18,151)	(6,115)
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	1,324	(2,808)
Cash Flows from Discontinued Operations:
Operating activities	18	0
Investing activities	3,892	0
Net Increase in Cash and Cash Equivalents from Discontinued Operations	3,910	0
Net Increase (Decrease) in Cash and Cash Equivalents	5,234	(2,808)
Cash and Cash Equivalents, Beginning of Period	1,660	3,726
Cash and Cash Equivalents, End of Period	6,894	918
Cash Paid For:
Interest	2,864	3,129
Non-cash Investing and Financing Activities - Continuing Operations:
Changes in capital expenditures in accounts payable and accrued liabilities	7,909	(3,838)
Common share/unit dividends incurred but not paid	(235)	0
Asset retirement obligations	98	924
Preferred unit dividends paid in kind	904	2,592
Preferred unit dividends	0	2,631
Common stock issued in exchange for common units	192,191	0
Assets acquired and liabilities assumed in business combination	3,497	0
Common shares issued for business combination	26,392	0
Preferred units converted to common units	61,196	0
Non-cash Investing - Discontinued Operations:
Goodwill incurred in business combination	19,057	0
Assets acquired and liabilities assumed in business combination	$ 2,978	$ 0