CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Total revenues	$ 342,916	$ 202,144
Costs and expenses:
Lease operating expense	121,398	119,708
Gathering, processing and transportation	20,807	20,547
Taxes other than income	22,250	12,944
Depreciation, depletion and amortization	28,068	40,268
Impairment expense	0	476,936
General and administrative expense	25,285	27,789
Accretion of asset retirement obligations	6,611	6,206
Loss (gain) on commodity derivative instruments	142,439	(60,671)
Pipeline incident loss	1,599	0
Other, net	68	306
Total costs and expenses	368,525	644,033
Operating loss	(25,609)	(441,889)
Other (expense) income:
Interest expense, net	(12,099)	(20,522)
Gain on extinguishment of debt	5,516	0
Inventory valuation adjustment	0	(1,003)
Other expense	128	65
Total other expense	(6,455)	(21,460)
Loss before reorganization items, net and income taxes	(32,064)	(463,349)
Reorganization items, net	(6)	(566)
Income tax expense	0	(115)
Net loss	(32,070)	(464,030)
Net (income) loss allocated to participating restricted stockholders	0	0
Net loss available to common stockholders	$ (32,070)	$ (464,030)
Loss per share: (See Note 10)
Basic loss per share	$ (0.84)	$ (12.34)
Diluted loss per share	$ (0.84)	$ (12.34)
Weighted average common shares outstanding:
Basic	37,959	37,612
Diluted	37,959	37,612
Oil and Natural Gas Sales [Member]
Revenues:
Total revenues	$ 335,779	$ 200,888
Other Revenues [Member]
Revenues:
Total revenues	$ 7,137	$ 1,256