Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Revenues [Abstract]
Total Revenues	$ 37,259	$ 25,406	$ 60,273	$ 54,955
Costs and Expenses [Abstract]
Lease operating expenses	6,773	6,028	11,569	11,757
Production taxes	1,937	1,156	2,998	2,515
Exploration costs	5,473	1,747	5,897	2,474
Depletion, depreciation, amortization and accretion	6,251	5,357	12,241	10,992
General and administrative:
Administrative costs	2,696	3,514	5,141	6,733
Unit-based compensation expense	276	206	689	359
Stock-based compensation expense	4,571	0	4,571	0
Cost of contract services - related parties	91	138	239	306
Transaction costs	2,164	28	3,213	27
Total Costs and Expenses	30,232	18,174	46,558	35,163
Income From Operations	7,027	7,232	13,715	19,792
Other Income (Expense):
Interest expense	(1,165)	(1,418)	(2,400)	(2,784)
Gain (loss) on derivatives	(24,903)	69,239	(38,812)	51,204
Total Other Income (Expense)	(26,068)	67,821	(41,212)	48,420
Net Income (Loss) From Continuing Operations Before Income Taxes	(19,041)	75,053	(27,497)	68,212
Income tax expense	(14,231)	0	(13,716)	0
Net Income (Loss) From Continuing Operations	(33,272)	75,053	(41,213)	68,212
Loss from discontinued operations	(18,631)	0	(18,631)	0
Income tax benefit on discontinued operations	25	0	25	0
Loss on discontinued operations	(18,606)	0	(18,606)	0
Net income (loss)	(51,878)	75,053	(59,819)	68,212
Dividends on preferred units	(574)	(877)	(1,491)	(1,741)
Net Income (Loss) Attributable to Common Shareholders/Unitholders	(52,452)	74,176	(61,310)	66,471
Net Income (Loss) Attributable to Common Shareholders/Unitholders	$ (52,452)	$ 74,176	$ (61,310)	$ 66,471
Net Income (Loss) per Share/Unit:
Net Income (Loss) per Share/Unit from Continuing Operations, Basic (USD per share)	$ (2.33)	$ 5.95	$ (3.15)	$ 5.34
Net Income (Loss) per Share/Unit from Continuing Operations, Diluted (USD per share)	(2.33)	4.55	(3.15)	4.15
Net Income (Loss) per Share/Unit from Discontinued Operations, Basic (USD per share)	(1.28)	0	(1.37)	0
Net Income (Loss) per Share/Unit from Discontinued Operations, Diluted (USD per share)	(1.28)	0	(1.37)	0
Basic (USD per Share/Unit)	(3.61)	5.95	(4.52)	5.34
Diluted (USD per Share/Unit)	$ (3.61)	$ 4.55	$ (4.52)	$ 4.15
Weighted Average Common Share/Units Outstanding:
Basic (in Share/Unit)	14,542,273	12,457,273	13,574,767	12,446,010
Diluted (in Share/Unit)	14,542,273	16,486,275	13,574,767	16,435,245
Oil and natural gas sales, net
Revenues [Abstract]
Total Revenues	$ 36,659	$ 24,356	$ 59,073	$ 52,855
Contract services – related parties
Revenues [Abstract]
Total Revenues	$ 600	$ 1,050	$ 1,200	$ 2,100