CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues [Abstract]
Total Revenues	$ 42,149	$ 6,019	$ 102,422	$ 60,974
Costs and Expenses [Abstract]
Lease operating expenses	5,754	3,760	17,323	15,517
Production taxes	2,029	293	5,027	2,808
Exploration costs	2,785	6,757	8,682	9,231
Depletion, depreciation, amortization and accretion	7,082	5,028	19,323	16,020
General and administrative:
Administrative costs	4,030	1,936	9,176	8,669
Unit-based compensation expense	0	291	689	650
Share-based compensation expense	779	0	5,353	0
Cost of contract services - related parties	91	97	330	403
Transaction costs	321	15	3,534	42
Total Costs and Expenses	22,871	18,177	69,437	53,340
Income (Loss) From Operations	19,278	(12,158)	32,985	7,634
Other Income (Expense):
Interest expense	(1,171)	(1,302)	(3,571)	(4,086)
Gain (loss) on derivatives	(35,396)	(14,205)	(74,208)	36,999
Total Other Income (Expense)	(36,567)	(15,507)	(77,779)	32,913
Net Income (Loss) From Continuing Operations Before Income Taxes	(17,289)	(27,665)	(44,794)	40,547
Income tax expense	(3,245)	(319)	(16,953)	(319)
Net Income (Loss) From Continuing Operations	(20,534)	(27,984)	(61,747)	40,228
Loss from discontinued operations	(882)	0	(19,513)	0
Income tax expense on discontinued operations	(85)	0	(60)	0
Loss on discontinued operations	(967)	0	(19,573)	0
Net income (loss)	(21,501)	(27,984)	(81,320)	40,228
Dividends on preferred units	0	(890)	(1,491)	(2,631)
Net Income (Loss) Attributable to Common Shareholders/Unitholders	(21,501)	(28,874)	(82,811)	37,597
Net Income (Loss) Attributable to Common Shareholders/Unitholders	$ (21,501)	$ (28,874)	$ (82,811)	$ 37,597
Net Income (Loss) per Share/Unit:
Net Income (Loss) per Share/Unit from Continuing Operations, Basic (USD per Share/Unit)	$ (1.15)	$ (2.32)	$ (4.25)	$ 3.02
Net Income (Loss) per Share/Unit from Continuing Operations, Diluted (USD per Share/Unit)	(1.15)	(2.32)	(4.25)	2.43
Net Loss per Share/Unit from Discontinued Operations, Basic (USD per Share/Unit)	(0.05)	0	(1.32)	0
Net Loss per Share/Unit from Discontinued Operations, Diluted (USD per Share/Unit)	(0.05)	0	(1.32)	0
Basic (USD per Share/Unit)	(1.20)	(2.32)	(5.57)	3.02
Diluted (USD per Share/Unit)	$ (1.20)	$ (2.32)	$ (5.57)	$ 2.43
Weighted Average Common Share/Units Outstanding:
Basic (in Shares/Units)	17,786	12,469	14,872	12,454
Diluted (in Shares/Units)	17,786	12,469	14,872	16,571
Oil and natural gas sales, net
Revenues [Abstract]
Total Revenues	$ 41,549	$ 4,969	$ 100,622	$ 57,824
Contract services – related parties
Revenues [Abstract]
Total Revenues	$ 600	$ 1,050	$ 1,800	$ 3,150