Oil And Natural Gas Properties And Equipment (Narrative) (Detail) - USD ($) $ in Thousands |
3 Months Ended | ||
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Mar. 31, 2015 |
Mar. 31, 2016 |
Dec. 31, 2015 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Fair value of fields | $ 412,593 | $ 412,593 | |
| Impairment of proved properties | $ 5,399 | ||
| Southeast Etame And North Tchibala field | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Fair value of fields | $ 0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Oil and Gas properties with proved reserves under the successful effort method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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