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Supplemental Oil and Gas Disclosures - Additional Information (Details)
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12 Months Ended |
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Dec. 31, 2014
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| Reserve Quantities [Line Items] | |
| Percentage non-operated non-producing reserves | 11.00%wti_PercentageOfNonOperatedProvedDevelopedNonProducingReserves |
| Present value discounted percentage | 10.00%wti_PresentValueDiscountedPercentage |
| Gulf of Mexico | |
| Reserve Quantities [Line Items] | |
| Percentage of oil, NGLs and natural gas reserves |
69.00%wti_PercentageOfOilAndNaturalGasReserves / us-gaap_StatementGeographicalAxis = wti_GulfOfMexicoMember |
| Minimum | |
| Reserve Quantities [Line Items] | |
| Expected time to evaluate properties, in years | 1 year |
| Maximum | |
| Reserve Quantities [Line Items] | |
| Expected time to evaluate properties, in years | 5 years |
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- Details
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| X | ||||||||||
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- Definition
Expected time to evaluate properties. No definition available.
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- Definition
Percentage of non operated proved developed non producing reserves. No definition available.
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- Definition
Percentage of oil and natural gas reserves. No definition available.
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- Definition
Present value discounted percentage. No definition available.
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- Details
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- Details
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- Details
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