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Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 1) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|
| Capitalized Costs Relating to Oil and Gas Producing Activities: | |||
| Properties not being amortized | $ 188,208 | $ 178,653 | $ 25,504 |
| Properties being amortized(1) | 195,329 | 182,820 | 170,457 |
| Total capitalized costs | 262,123 | 228,867 | 195,961 |
| Less accumulated depreciation, depletion, and amortization | (155,681) | (129,166) | (99,277) |
| Net capitalized costs | $ 106,442 | $ 99,701 | $ 96,684 |
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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 amount of asset retirement costs previously incurred and capitalized separately from the capitalized amount of the associated long-lived assets. 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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- Details
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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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