UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total revenues	$ 65,155,000	$ 87,932,000
Costs and expenses:
Lease operating expense	28,910,000	29,570,000
Exploration	15,000	34,000
Taxes other than income	4,409,000	5,037,000
Depreciation, depletion and amortization	11,166,000	12,958,000
General and administrative expense	9,308,000	10,657,000
Accretion of asset retirement obligations	1,311,000	1,718,000
(Gain) loss on commodity derivative instruments	32,487,000	10,456,000
(Gain) loss on sale of properties	0	2,373,000
Other, net	143,000	0
Total costs and expenses	92,406,000	78,403,000
Operating income (loss)	(27,251,000)	9,529,000
Other income (expense):
Interest expense, net	(4,089,000)	(5,772,000)
Total other income (expense)	(4,089,000)	(5,772,000)
Income (loss) before reorganization items, net and income taxes	(31,340,000)	3,757,000
Reorganization items, net	(187,000)	(518,000)
Income tax benefit (expense)	50,000	0
Net income (loss)	(31,477,000)	3,239,000
Net (income) loss allocated to participating restricted stockholders	0	(83,000)
Net income (loss) attributable to common stockholders	$ (31,477,000)	$ 3,156,000
Earnings per share: (See Note 10)
Basic and diluted earnings per share	$ (1.42)	$ 0.13
Weighted average common shares outstanding:
Basic and diluted	22,179	25,000
Oil and Natural Gas Sales [Member]
Revenues:
Total revenues	$ 65,067,000	$ 87,847,000
Other Revenues [Member]
Revenues:
Total revenues	88,000	85,000
Gathering, Processing and Transportation [Member]
Costs and expenses:
Gathering, processing and transportation	$ 4,657,000	$ 5,600,000