CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total oil and gas sales	$ 126,881
Operating expenses:
Production taxes	5,939
Gathering and transportation	7,430
Lease operating	14,885
Depreciation, depletion and amortization	37,590
General and administrative	7,814
(Gain) loss on sale of oil and gas properties	(1)
Total operating expenses	73,657
Operating income (loss)	53,224
Other income (expenses):
Gain (loss) from derivative financial instruments	(7,657)
Other income	93
Interest expense	(27,851)
Total other income (expenses)	(35,415)
Income (loss) before income taxes	17,809
Provision for income taxes	(4,234)
Net income (loss)	$ 13,575
Net income (loss) per share – basic and diluted	$ 0.13
Weighted average shares outstanding – basic and diluted	105,457
Predecessor
Revenues:
Total oil and gas sales		$ 72,593
Operating expenses:
Production taxes		1,840
Gathering and transportation		4,334
Lease operating		9,773
Depreciation, depletion and amortization		27,152
General and administrative		6,016
(Gain) loss on sale of oil and gas properties		28,600
Total operating expenses		77,715
Operating income (loss)		(5,122)
Other income (expenses):
Gain (loss) from derivative financial instruments		2,602
Other income		66
Interest expense		(38,850)
Total other income (expenses)		(36,182)
Income (loss) before income taxes		(41,304)
Provision for income taxes		(582)
Net income (loss)		$ (41,886)
Net income (loss) per share – basic and diluted		$ (2.78)
Weighted average shares outstanding – basic and diluted		15,084
Natural Gas Sales
Revenues:
Total oil and gas sales	$ 90,132
Natural Gas Sales | Predecessor
Revenues:
Total oil and gas sales		$ 59,543
Oil Sales
Revenues:
Total oil and gas sales	$ 36,749
Oil Sales | Predecessor
Revenues:
Total oil and gas sales		$ 13,050