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Commodity Collar Contracts (Detail) (Oil and gas commodity contracts, 2014 Collar)
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Dec. 31, 2013
bbl
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|---|---|
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Two Way
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|
| Derivative [Line Items] | |
| Bbl Per Day | 1,500 |
| Weighted Average Floor Price | 65.00 |
| Weighted Average Ceiling Price | 110.00 |
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Three Way
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| Derivative [Line Items] | |
| Bbl Per Day | 2,000 |
| Weighted Average Short Put Price | 70.00 |
| Weighted Average Floor Price | 85.00 |
| Weighted Average Ceiling Price | 100.83 |