Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Consolidated Statements of Operations
Revenue	$ 154,882	$ 43,455
Cost and expenses
Cost of sales (exclusive of items shown separately below)	81,253	31,198
Asset retirement obligations accretion	235	151
Depreciation and amortization	8,680	6,155
Selling, general and administrative	11,824	4,707
Total costs and expenses	101,992	42,211
Operating income	52,890	1,244
Other income	366	2,935
Interest expense, net	(1,130)	(202)
Income before tax	52,126	3,977
Income tax expense (benefit)	10,655	(166)
Net income	$ 41,471	$ 4,143
Earnings per share
Basic earnings (in dollars per share)	$ 0.94	$ 0.10
Diluted earnings (in dollars per share)	$ 0.92	$ 0.10
Weighted average common shares outstanding
Basic weighted average shares outstanding (in shares)	44,181	43,443
Diluted weighted average shares outstanding (in shares)	44,908	43,443