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Supplemental Information On Oil And Gas Exploration And Production Activities (Capitalized Costs Related To Oil And Gas Producing Activities) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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| Oil and Gas Exploration and Production Industries Disclosures [Abstract] | ||
| Proven properties | $ 984,795 | $ 897,130 |
| Unproven properties | 626,295 | 132,912 |
| Gross capitalized costs | 1,611,090 | 1,030,042 |
| Accumulated depreciation, depletion, amortization and impairment reserve | (661,442) | (571,213) |
| Net capitalized costs | $ 949,648 | $ 458,829 |
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- Definition
Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net amount of capitalized costs relating to oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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