Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total operating revenues	$ 130,076	$ 271,461
Expenses:
Lease operating expenses	19,411	17,225
Facility lease expense	5,463	6,645
Production taxes	13,922	30,175
Gathering fees	16,682	19,817
Transportation charges	3,894	64
Depletion, depreciation, and amortization	47,284	51,653
Ceiling test write-down	242,603
General and administrative expenses	8,379	7,051
Prepetition restructuring expenses	2,644
Other operating expenses, net	3,438	684
Total operating expenses	363,720	133,314
Operating income (loss)	(233,644)	138,147
Other income (expense), net:
Interest expense	(30,398)	(33,327)
Gain (loss) on commodity derivatives	44,294	(64,339)
Other income (expense), net	2,094	166
Total other income (expense), net	15,990	(97,500)
Income (loss) before income tax (benefit) provision	(217,654)	40,647
Income tax (benefit) provision	(49)	(27)
Net income (loss)	$ (217,605)	$ 40,674
Net earnings (loss) per common share
Basic	$ (1.10)	$ 0.21
Diluted	$ (1.10)	$ 0.21
Weighted-average common shares outstanding
Basic	198,333	197,383
Diluted	198,333	197,801
Natural Gas Sales
Revenues:
Total operating revenues	$ 114,281	$ 245,989
Oil Sales
Revenues:
Total operating revenues	15,574	23,465
Other Revenues
Revenues:
Total operating revenues	$ 221	$ 2,007