CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating revenues      
Oil and gas sales $ 944,330 $ 891,045 $ 429,902
Operating expenses      
Oil And Gas Producing Activities, Lease Operating Expense 145,976 83,313 41,336
Production Tax Expense 63,200 56,523 23,173
Oil And Gas Producing Activities, Transportation Costs 72,834 57,624 34,259
Depreciation, depletion and amortization 444,243 326,462 161,628
Impairment and abandonment expense 47,245 11,136 (29)
Exploration expense 11,390 9,968 14,373
General and administrative expenses 79,156 63,304 49,882
Total operating expenses 864,044 608,330 324,622
Gain (Loss) on Disposition of Property Plant Equipment (857) 475 8,796
Income from operations 79,429 283,190 114,076
Other income (expense)      
Interest expense (55,991) (26,358) (5,729)
Net gain (loss) on derivative instruments (1,561) 15,336 5,138
Other income 334 8 0
Total other income (expense) (57,218) (11,014) (591)
Income before income taxes 22,211 272,176 113,485
Income tax expense (5,797) (59,440) (29,930)
Net income 16,414 212,736 83,555
Less: Net income attributable to noncontrolling interest (616) (12,837) (7,987)
Net income attributable to Class A Common Stock $ 15,798 $ 199,899 $ 75,568
Income per share of Class A Common Stock:      
Basic (in dollars per share) $ 0.06 $ 0.76 $ 0.32
Diluted (in dollars per share) $ 0.06 $ 0.75 $ 0.32