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Commitments and Contingencies (Estimated Obligations and Companies Share for the Annual Charter Payment) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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VAALCO ENERGY, INC. |  |
Estimated obligation and company share for annual charter payment |  |
Annual charter payment, 2019 |  | $ 9,718
Annual charter payment, 2020 |  | 7,029
Annual charter payment, Total |  | 16,747
Full Charter Payment [Member] |  |
Estimated obligation and company share for annual charter payment |  |
Annual charter payment, 2019 |  | 31,294
Annual charter payment, 2020 |  | 22,634
Annual charter payment, Total | $ 53,900 | $ 53,928

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- Definition Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- References No definition available. + Details
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- Details
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- Details
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