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

Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Acquisitions and Dispositions (Details Textual)

Note 3 - Acquisitions and Dispositions (Details Textual) $ / shares in Units, $ in Thousands				3 Months Ended				6 Months Ended
	Jul. 13, 2022 USD ($) $ / shares shares	Apr. 29, 2021 USD ($)	Feb. 25, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Mar. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($)	Dec. 31, 2022	Dec. 31, 2021 shares	Feb. 24, 2021	Nov. 30, 2006
Common Stock, Shares, Outstanding, Ending Balance (in shares) \| shares				59,068,105				59,068,105			58,623,451
Business Combination, Bargain Purchase, Gain Recognized, Amount								$ (0)	$ 7,651
Revenues, Total				$ 110,985		$ 47,023		179,641	86,797
Net Income (Loss) Attributable to Parent, Total				15,104	$ 12,164	5,884	$ 9,869	27,268	15,753
Block 5 PSA [Member]
Equity Method Investment, Ownership Percentage													40.00%
Equity Method Investment, Additional Working Interest Percentage													10.00%
Etame Marine Block [Member]
Revenues, Total				52,400		22,200		84,800	31,600
Net Income (Loss) Attributable to Parent, Total				7,100		$ 8,100		12,900	9,900
VAALCO Energy [Member] \| VAALCO Stockholders [Member] \| Forecast [Member]
Noncontrolling Interest, Ownership Percentage by Parent										54.50%
VAALCO Energy [Member] \| TransGlobe Shareholders [Member] \| Forecast [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners										45.50%
Etame Marine Block [Member]
Noncontrolling Interest, Ownership Percentage by Parent			58.80%									31.10%
TransGlobe [Member]
Business Combination, Acquisition Related Costs				$ 1,200				$ 1,200
TransGlobe [Member] \| Subsequent Event [Member]
Business Combination, Consideration Transferred, Total	$ 307,000
Business Acquisition, Share Price (in dollars per share) \| $ / shares	$ 6.23
Business Acquisition, Exchange Ratio	0.6727
Common Stock, Shares, Outstanding, Ending Balance (in shares) \| shares	73,309,064
Business Acquisition, Dissent Rights, Percentage of Outstanding Shares	10.00%
Business Acquisition, Termination Fees	$ 9,150
Etame Marine Block [Member]
Business Combination, Consideration Transferred, Total			$ 38,606
Business Combination, Acquisition Related Costs									1,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage			31.10%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage			58.80%
Business Combination, Bargain Purchase, Gain Recognized, Amount			$ 7,700						$ 7,700
Business Combination, Bargain Purchase Gain, Recognized Amount, Net of Tax			5,500
Business Combination, Bargain Purchase Gain, Recognized Amount, Tax Expense (Benefit)			(2,200)
Business Combination, Contingent Consideration, Liability, Total			$ 5,000
Business Combination, Contingent Consideration, Measurement Period of Oil Price (Day)			90 days
Business Combination, Contingent Consideration, Oil Price Threshold			60.00
Payment for Contingent Consideration Liability, Investing Activities		$ 5,000
Etame Marine Block [Member] \| Sasol Gabon S.A. [Member]
Business Acquisition, Percentage of Voting Interests Acquired			27.80%