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v3.19.3

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Operating revenues |  |  |  |
Oil and gas sales | $ 229,130 | $ 234,880 | $ 687,938 | $ 668,541
Operating expenses |  |  |  |
Lease operating expenses | 42,330 | 23,706 | 107,077 | 59,164
Severance and ad valorem taxes | 12,213 | 14,410 | 45,519 | 42,791
Gathering, processing and transportation expenses | 20,853 | 16,090 | 52,120 | 45,214
Depreciation, depletion and amortization | 112,720 | 83,423 | 321,392 | 224,379
Impairment and abandonment expense | 6,745 | 8,612 | 42,427 | 10,396
Exploration expense | 2,869 | 2,712 | 9,246 | 8,026
General and administrative expenses | 20,036 | 16,561 | 56,589 | 44,667
Total operating expenses | 217,766 | 165,514 | 634,370 | 434,637
Gain (Loss) on Disposition of Property Plant Equipment | (22) | 52 | (15) | (74)
Income from operations | 11,342 | 69,418 | 53,553 | 233,830
Other income (expense) |  |  |  |
Interest expense | (15,246) | (6,534) | (39,843) | (18,138)
Net gain (loss) on derivative instruments | 1,522 | (9,571) | (2,221) | 14,969
Other income (expense) | 62 | 13 | 321 | (4)
Total other income (expense) | (13,662) | (16,092) | (41,743) | (3,173)
Income (loss) before income taxes | (2,320) | 53,326 | 11,810 | 230,657
Income tax expense | (1,393) | (11,652) | (5,058) | (50,729)
Net income (loss) | (3,713) | 41,674 | 6,752 | 179,928
Less: Net income (loss) attributable to noncontrolling interest | (128) | 2,386 | 572 | 11,009
Net income (loss) attributable to Class A Common Stock | $ (3,585) | $ 39,288 | $ 6,180 | $ 168,919
Income (loss) per share of Class A Common Stock: |  |  |  |
Basic (USD per share) | $ (0.01) | $ 0.15 | $ 0.02 | $ 0.64
Diluted (USD per share) | $ (0.01) | $ 0.15 | $ 0.02 | $ 0.63

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- Definition The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6475089&loc=d3e66610-109467 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 40 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6475089&loc=d3e66625-109467 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 40 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6475089&loc=d3e66584-109467 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66906256&loc=d3e66150-109466 + Details
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