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Consolidated Statements of Operations - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Consolidated Statements of Operations      
Revenue $ 565,688 $ 283,394 $ 168,915
Costs and expenses      
Cost of sales (exclusive of items shown separately below) 332,960 195,412 145,503
Asset retirement obligations accretion 1,115 615 570
Depreciation and amortization 41,194 26,205 20,912
Selling, general and administrative 40,032 21,629 21,023
Total costs and expenses 415,301 243,861 188,008
Operating income (loss) 150,387 39,533 (19,093)
Other income (expense), net 2,637 7,429 11,926
Interest expense, net (6,829) (2,556) (1,224)
Income (loss) before tax 146,195 44,406 (8,391)
Income tax expense (benefit) 30,153 4,647 (3,484)
Net income (loss) $ 116,042 $ 39,759 $ (4,907)
Earnings (loss) per common share      
Basic $ 2.63 $ 0.90 $ (0.12)
Diluted $ 2.60 $ 0.90 $ (0.12)
Weighted average common shares outstanding      
Basic weighted average shares outstanding 44,164 43,964 42,460
Diluted weighted average shares outstanding 44,702 44,257 42,460