CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues and other:
Revenues	$ 222,084	$ 262,167	$ 647,045	$ 811,895
(Losses) gains on oil and gas sales derivatives	(103,282)	114,279	(43,912)	(88,237)
Total revenues and other	118,802	376,446	603,133	723,658
Expenses and other:
Lease operating expenses	59,842	79,141	249,384	214,720
Transportation expenses	1,089	1,277	3,226	3,543
Marketing expenses	0	0	0	299
Acquisition costs	2,082	0	3,054	0
General and administrative expenses	20,987	23,388	75,144	69,513
Depreciation, depletion, and amortization	39,729	39,506	119,605	117,338
Taxes, other than income taxes	17,980	7,335	42,147	25,154
(Gains) losses on natural gas purchase derivatives	(8,425)	(28,942)	4,989	(47,335)
Other operating (income) expenses	(505)	623	(1,824)	4,745
Total expenses and other	170,064	166,011	609,965	512,426
Other (expenses) income:
Interest expense	(9,101)	(7,867)	(25,732)	(23,271)
Other, net	(42)	(24)	(227)	(79)
Total other expenses	(9,143)	(7,891)	(25,959)	(23,350)
(Loss) income before income taxes	(60,405)	202,544	(32,791)	187,882
Income tax (benefit) expense	(15,343)	10,884	(7,640)	9,678
Net (loss) income	$ (45,062)	$ 191,660	$ (25,151)	$ 178,204
Net (loss) income per share:
Basic (in dollars per share)	$ (0.60)	$ 2.46	$ (0.33)	$ 2.25
Diluted (in dollars per share)	$ (0.60)	$ 2.34	$ (0.33)	$ 2.13
Oil, natural gas and natural gas liquids sales
Revenues and other:
Revenues	$ 172,611	$ 203,585	$ 496,671	$ 654,007
Services revenue
Revenues and other:
Revenues	45,511	48,594	137,808	134,608
Expenses and other:
Cost of goods sold	35,806	37,628	108,988	107,809
Electricity sales
Revenues and other:
Revenues	3,849	9,711	12,372	22,549
Expenses and other:
Cost of goods sold	1,479	6,055	5,252	16,640
Marketing revenues
Revenues and other:
Revenues	0	0	0	289
Other revenues
Revenues and other:
Revenues	$ 113	$ 277	$ 194	$ 442