Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Operating revenues: | ||||
| Total operating revenues | $ 161,214 | $ 84,614 | $ 425,729 | $ 248,261 |
| Operating expenses: | ||||
| Lease operating expenses | 18,525 | 11,624 | 44,705 | 36,708 |
| Production taxes | 10,263 | 5,444 | 26,265 | 16,168 |
| Depreciation, depletion and amortization | 48,257 | 28,525 | 122,407 | 79,172 |
| General and administrative | 9,721 | 7,259 | 26,779 | 18,894 |
| Settled share-based awards | 0 | 0 | 0 | 6,351 |
| Accretion expense | 202 | 131 | 626 | 523 |
| Acquisition expense | 1,435 | 205 | 3,750 | 3,027 |
| Total operating expenses | 88,403 | 53,188 | 224,532 | 160,843 |
| Income from operations | 72,811 | 31,426 | 201,197 | 87,418 |
| Other (income) expenses: | ||||
| Interest expense, net of capitalized amounts | 711 | 444 | 1,765 | 1,698 |
| (Gain) loss on derivative contracts | 34,339 | 14,162 | 55,374 | (11,636) |
| Other income | (1,657) | (498) | (2,571) | (1,270) |
| Total other (income) expense | 33,393 | 14,108 | 54,568 | (11,208) |
| Income before income taxes | 39,418 | 17,318 | 146,629 | 98,626 |
| Income tax expense | 1,487 | 237 | 2,463 | 1,026 |
| Net income | 37,931 | 17,081 | 144,166 | 97,600 |
| Preferred stock dividends | (1,823) | (1,824) | (5,471) | (5,471) |
| Income available to common stockholders | $ 36,108 | $ 15,257 | $ 138,695 | $ 92,129 |
| Income per common share: | ||||
| Basic (in dollars per share) | $ 0.16 | $ 0.08 | $ 0.65 | $ 0.46 |
| Diluted (in dollars per share) | $ 0.16 | $ 0.08 | $ 0.65 | $ 0.46 |
| Shares used in computing income per common share: | ||||
| Basic (in shares) | 227,564 | 201,827 | 213,409 | 201,422 |
| Diluted (in shares) | 228,140 | 202,337 | 214,079 | 201,995 |
| Oil sales | ||||
| Operating revenues: | ||||
| Total operating revenues | $ 142,601 | $ 73,349 | $ 380,500 | $ 218,242 |
| Natural gas sales | ||||
| Operating revenues: | ||||
| Total operating revenues | $ 18,613 | $ 11,265 | $ 45,229 | $ 30,019 |
| X | ||||||||||
- Definition Settled share-based awards No definition available.
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| X | ||||||||||
- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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| X | ||||||||||
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- References No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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- Definition A tax assessed on oil and gas production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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