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Consolidated Statements Of Income (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Revenues | $ 237,146 | $ 185,946 | $ 215,513 | $ 235,886 | $ 261,899 | $ 245,371 | $ 252,922 | $ 210,855 | $ 874,491 | $ 971,047 | $ 705,783 | ||||||||||
| Operating costs and expenses: | |||||||||||||||||||||
| Lease operating expenses | 232,260 | 219,206 | 169,670 | ||||||||||||||||||
| Production taxes | 5,840 | 4,275 | 1,194 | ||||||||||||||||||
| Gathering and transportation | 14,878 | 16,920 | 16,484 | ||||||||||||||||||
| Depreciation, depletion and amortization | 336,177 | 299,015 | 268,415 | ||||||||||||||||||
| Asset retirement obligation accretion | 20,055 | 29,771 | 25,685 | ||||||||||||||||||
| General and administrative expenses | 82,017 | 74,296 | 53,290 | ||||||||||||||||||
| Derivative (gain) loss | 13,954 | (1,896) | 4,256 | ||||||||||||||||||
| Total costs and expenses | 705,181 | 641,587 | 538,994 | ||||||||||||||||||
| Operating income | 46,737 | 7,560 | 99,100 | 15,913 | 80,936 | 95,333 | 115,643 | 37,548 | 169,310 | 329,460 | 166,789 | ||||||||||
| Interest expense: | |||||||||||||||||||||
| Incurred | 63,268 | 52,393 | 43,101 | ||||||||||||||||||
| Capitalized | (13,274) | (9,877) | (5,395) | ||||||||||||||||||
| Loss on extinguishment of debt | 22,694 | ||||||||||||||||||||
| Other income | 215 | 84 | 710 | ||||||||||||||||||
| Income before income tax expense | 119,531 | 264,334 | 129,793 | ||||||||||||||||||
| Income tax expense | 47,547 | 91,517 | 11,901 | ||||||||||||||||||
| Net income | $ 16,670 | $ (1,471) | $ 53,567 | $ 3,218 | $ 46,065 | $ 52,928 | $ 55,175 | $ 18,649 | $ 71,984 | $ 172,817 | $ 117,892 | ||||||||||
| Basic and diluted earnings per common share | $ 0.21 | [1] | $ (0.02) | [1] | $ 0.70 | [1] | $ 0.04 | [1] | $ 0.61 | [1] | $ 0.70 | [1] | $ 0.73 | [1] | $ 0.25 | [1] | $ 0.95 | $ 2.29 | $ 1.58 | ||
| Weighted average common shares outstanding | 74,354 | 74,033 | 73,685 | ||||||||||||||||||
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- 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://www.xbrl.org/2003/role/presentationRef
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- Definition
Total costs of sales and operating expenses for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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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/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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. No definition available.
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| X | ||||||||||
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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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Lease expense related to property used in oil and gas production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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/presentationRef
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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
The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
A tax assessed on oil and gas production. No definition available.
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| X | ||||||||||
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- Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). No definition available.
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