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Selected Quarterly Financial Data - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended |
|---|---|---|
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Dec. 31, 2013
MMcf
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Dec. 31, 2013
MMcf
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| Quarterly Financial Data [Line Items] | ||
| One-time increase in production | 2,600 | 1,900 |
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Natural Gas
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| Quarterly Financial Data [Line Items] | ||
| Adjustment to depreciation, depletion, amortization and accretion | $ 7.1 | $ 5.0 |
| Reduction in net income | $ 4.6 | $ 3.2 |
| X | ||||||||||
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- Definition
The adjustment to depreciation, depletion and amortization for an adjustment to production volumes. No definition available.
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| X | ||||||||||
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- Definition
A one-time increase in production volume for natural gas related to an erroneous conversion of MMBtu occurring in 2011 and 2012. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Adjustment to net income related to adjustments to natural gas production volumes from an erroneous conversion of MMBtu. No definition available.
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