VAALCO Energy, Inc. Annual report pursuant to Section 13 and 15(d)

Derivatives and Fair Value (Summary of Commodity Swaps) (Details)		2 Months Ended	12 Months Ended
	Sep. 24, 2021 $ / bbl bbl	Mar. 09, 2022 $ / bbl bbl	Dec. 31, 2021 $ / bbl bbl
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels			711,854
Commodity Contract One - January 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels			60,794
Weighted Average Price \| $ / bbl			53.10
Commodity Contract Two - January To February 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels			191,060
Weighted Average Price \| $ / bbl			67.70
Commodity Contract - March 2022 To June 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels	460,000		460,000
Weighted Average Price \| $ / bbl	72.00		72.00
Subsequent Event [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels		609,000
Subsequent Event [Member] \| Commodity Contract - April 2022 To June 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels		234,000
Weighted Average Price \| $ / bbl		85.01
Subsequent Event [Member] \| Commodity Contract - July 2022 To September 2022 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Barrels		375,000
Weighted Average Price \| $ / bbl		76.53