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Suspended Exploratory Well Costs - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 Well | Dec. 31, 2012 | Dec. 31, 2011
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Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |
Capitalized exploratory well costs that have been capitalized for a period greater than one year | $ 6,964 | $ 11,395 | $ 9,528
Number of wells waiting on pipeline | 1 |  |

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- Definition Number of wells waiting on pipeline. + References No definition available. + Details
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- Definition The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph b -URI http://asc.fasb.org/extlink&oid=8451039&loc=SL6806780-109447 + Details
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- Details
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