CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Operating revenues        
Oil and gas sales $ 90,509 $ 244,239 $ 283,278 $ 458,808
Operating expenses        
Lease operating expenses 25,839 34,885 58,478 64,747
Severance and ad valorem taxes 5,696 17,186 22,269 33,306
Gathering, processing and transportation expenses 17,284 16,243 34,223 31,267
Depreciation, depletion and amortization 93,020 112,114 194,278 208,672
Impairment and abandonment expense 19,425 4,418 630,725 35,682
Exploration expense 4,051 3,861 8,060 6,377
General and administrative expenses 17,994 18,435 36,864 36,553
Total operating expenses 183,309 207,142 984,897 416,604
Gain (Loss) on Disposition of Property Plant Equipment (2) 9 243 7
Income (loss) from operations (92,802) 37,106 (701,376) 42,211
Other income (expense)        
Interest expense (17,371) (14,437) (33,792) (24,597)
Gain on exchange of debt 143,443 0 143,443 0
Net gain (loss) on derivative instruments (29,857) 2,128 (38,362) (3,743)
Other income (expense) 1 133 (52) 259
Total other income (expense) 96,216 (12,176) 71,237 (28,081)
Income (loss) before income taxes 3,414 24,930 (630,139) 14,130
Income tax (expense) benefit 1,916 (5,928) 85,124 (3,665)
Net income (loss) 5,330 19,002 (545,015) 10,465
Less: Net (income) loss attributable to noncontrolling interest 0 (1,125) (2,362) 700
Net income (loss) attributable to Class A Common Stock $ 5,330 $ 17,877 $ (542,653) $ 9,765
Income (loss) per share of Class A Common Stock:        
Basic (USD per share) $ 0.02 $ 0.07 $ (1.96) $ 0.04
Diluted (USD per share) $ 0.02 $ 0.07 $ (1.96) $ 0.04