VAALCO Energy, Inc. Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Fair Value (Narrative) (Details)						3 Months Ended
Derivatives and Fair Value (Narrative) (Details)	Feb. 23, 2022 $ / bbl bbl	Jan. 06, 2022 $ / bbl bbl	Sep. 24, 2021 $ / bbl bbl	Aug. 06, 2021 $ / bbl bbl	May 06, 2021 $ / bbl bbl	Mar. 31, 2022 $ / bbl bbl
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels						954,000
Commodity Contract, May 2021 Through October 2021 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, average price per barrel \| $ / bbl					66.51
Barrels					672,533
Commodity Contract, November 2021 Through February 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, average price per barrel \| $ / bbl				67.70
Barrels				314,420
Commodity Contract - March 2022 To June 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, average price per barrel \| $ / bbl			72.00
Barrels			460,000
Commodity Contract 1 - April 2022 To June 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, average price per barrel \| $ / bbl	85.01					72.00
Barrels	234,000					345,000
Commodity Contract - July 2022 To September 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, average price per barrel \| $ / bbl		76.53				76.53
Barrels		375,000				375,000