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Supplemental Information On Oil And Gas Exploration And Production Activities (Results Of Operations For Producing Activities) (Details) (USD $)
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12 Months Ended | ||
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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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| Oil and Gas Exploration and Production Industries Disclosures [Abstract] | |||
| Revenues | $ 248,601,000 | $ 228,953,000 | $ 127,636,000 |
| Production costs | (53,708,000) | (47,230,000) | (31,580,000) |
| Depletion | (90,230,000) | (61,965,000) | (38,600,000) |
| Income before income taxes (benefit) | 104,663,000 | 119,758,000 | 57,456,000 |
| Current | 730,000 | 282,000 | 40,000 |
| Deferred | 25,633,000 | (372,000) | 0 |
| Income tax expense (benefit) | 26,363,000 | (90,000) | 40,000 |
| Results of operations from producing activities | 78,300,000 | 119,848,000 | 57,416,000 |
| Depletion per barrel of oil equivalent (BOE) | $ 35.07 | $ 26.56 | $ 19.54 |
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- Definition
Depletion per barrel of oil equivalent No definition available.
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- Definition
Results of operations income tax expense current No definition available.
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- Definition
Results of operations income tax expense deferred No definition available.
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- Details
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- Definition
Depreciation, depletion and amortization, and valuation provisions (impairments) related to oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Income before income taxes for oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Income tax expense for oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The results of operations for oil and gas producing activities, excluding corporate overhead and interest costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Production (lifting) costs from oil and gas producing activities, including but not limited to lease operating expense, production and ad valorem taxes, and transportation expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total revenues from oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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