CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating revenues    
Oil and gas sales $ 215,898 $ 61,097
Operating expenses    
Lease operating expenses 16,276 7,278
Severance and ad valorem taxes 14,173 3,187
Gathering, processing and transportation expenses 13,828 5,244
Depreciation, depletion and amortization 66,010 26,160
Impairment and abandonment expenses 0 (29)
Exploration expense 3,447 1,181
General and administrative expenses 14,297 10,884
Total operating expenses 128,031 53,905
Income from operations 87,867 7,192
Other income (expense)    
Gain (loss) on sale of oil and natural gas properties 15 166
Interest expense (5,813) (410)
Net gain (loss) on derivative instruments 7,843 3,759
Other income (expense) (3) 0
Other income (expense) 2,042 3,515
Income before income taxes 89,909 10,707
Income tax expense 19,137 0
Net income 70,772 10,707
Less: Net income attributable to noncontrolling interest 4,682 884
Net income attributable to Class A Common Stock $ 66,090 $ 9,823
Income per share of Class A Common Stock:    
Basic (USD per share) $ 0.25 $ 0.04
Diluted (USD per share) $ 0.25 $ 0.04