CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Total revenues	$ 1,244,540	$ 575,936	$ 908,064
Operating expenses:
Lease operating expense	283,601	246,564	243,427
Production taxes	3,363	1,054	1,349
Depreciation, depletion and amortization	395,994	364,346	345,931
Write-down of oil and natural gas properties	18,123	267,916	12,221
Accretion expense	58,129	49,741	34,389
General and administrative expense	78,677	79,175	77,209
Other operating (income) expense	32,037	(11,550)	(19,556)
Total operating expenses	869,924	997,246	694,970
Operating income (expense)	374,616	(421,310)	213,094
Interest expense	(133,138)	(99,415)	(97,847)
Net cash received (paid) on settled derivative instruments	(419,077)	87,685	(95,337)
Other income (expense)	(6,988)	3,018	2,678
Net income (loss) before income taxes	(184,587)	(430,022)	22,588
Income tax benefit (expense)	1,635	(35,583)	36,141
Net income (loss)	$ (182,952)	$ (465,605)	$ 58,729
Net income (loss) per common share:
Basic	$ (2.24)	$ (6.88)	$ 1.08
Diluted	$ (2.24)	$ (6.88)	$ 1.08
Weighted average common shares outstanding:
Basic	81,769	67,664	54,185
Diluted	81,769	67,664	54,413
Oil
Revenues:
Revenues	$ 1,064,161	$ 506,788	$ 833,118
Natural Gas
Revenues:
Revenues	130,616	53,714	55,278
NGL
Revenues:
Revenues	$ 49,763	$ 15,434	$ 19,668