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

Annual report pursuant to Section 13 and 15(d)

Note 12 - Commitments and Contingencies (Details Textual)

Note 12 - Commitments and Contingencies (Details Textual)							1 Months Ended		3 Months Ended		12 Months Ended					36 Months Ended
	Feb. 14, 2023	Nov. 01, 2022 USD ($)	Aug. 20, 2022 USD ($)	Feb. 01, 2022 USD ($)	Jan. 20, 2022 USD ($)	Sep. 30, 2020	Jun. 30, 2021	Aug. 31, 2020 USD ($) km²	Mar. 31, 2023 $ / shares	Dec. 31, 2022 USD ($) bbl	Dec. 31, 2022 USD ($) bbl	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2016	Dec. 31, 2021 USD ($)	Feb. 01, 2026 USD ($)	Feb. 01, 2025 USD ($)	Feb. 01, 2024 USD ($)	Oct. 13, 2022 USD ($)	Jan. 19, 2022 USD ($)	Nov. 30, 2021 USD ($)	Nov. 03, 2021 $ / shares	Aug. 31, 2021 USD ($)	Mar. 31, 2021 $ / shares
Abandonment Funding										$ 20,586,000	$ 20,586,000	$ 21,808,000				$ 21,808,000
Foreign Currency Transaction Gain (Loss), before Tax, Total											(4,200,000)	(700,000)	$ (200,000)
Other Demobilization Fees, Net											8,867,000	0	0
Dividends Payable, Amount Per Share (in dollars per share) \| $ / shares																							$ 0.1300		$ 0.0325
Increase (Decrease) in Other Receivables											9,290,000	9,736,000	(1,405,000)
Borr Drilling Limited [Member]
Number of Drilled Wells Required by Agreement							3
Egyptian General Petroleum Corporation (EGPC) [Member]
Contractual Obligation, Total										150,000,000	150,000,000
Increase (Decrease) in Other Receivables											$ (10,000,000.0)
Development Timeframe (Year)											5 years
Egyptian General Petroleum Corporation (EGPC) [Member] \| Minimum [Member]
Contractual Obligation, Total										50,000,000.0	$ 50,000,000.0
Share Buyback Program [Member]
Stock Repurchase Program, Authorized Amount		$ 30,000,000
Stock Repurchase Program, Period in Force (Month)		20 months
Subsequent Event [Member]
Dividends Payable, Amount Per Share (in dollars per share) \| $ / shares									$ 0.0625
Dividends Payable, Date Declared	Feb. 14, 2023
Dividends Payable, Date to be Paid									Mar. 31, 2023
Etame Marine Block [Member]
Contractual Obligation, to be Paid, Year One										3,200,000	3,200,000													$ 1,200,000
Estimated Field Level Capital Conversion										122,000,000	122,000,000
Area of Dimensional Seismic Data (Square Kilometre) \| km²								1,000
Etame Marine Block [Member] \| Minimum [Member]
Expected Cost of Data Acquisition								$ 2,200,000
Etame Marine Block [Member] \| Maximum [Member]
Expected Cost of Data Acquisition								$ 3,400,000
Parent Company [Member]
Contractual Obligation, Total										35,500,000	35,500,000
Parent Company [Member] \| Accrued Liabilities and Other [Member]
Contractual Obligation, to be Paid, Year One										9,900,000	9,900,000
Parent Company [Member] \| Other Long-term Liabilities [Member]
Contractual Obligation, Total										25,600,000	25,600,000
TransGlobe [Member]
Other Receivables										50,300,000	50,300,000									$ 67,500,000	$ 67,500,000
Proceeds from Collection of Other Receivables										$ 17,200,000	$ 17,200,000
Foreign Tax Authority [Member] \| Tax Administration of Gabon [Member]
Income Tax Examination, Year under Examination															2013 2014	2015 2016
FPSO Charter [Member]
Number of Charter Extension Periods						2
Charter Day Rates			$ 150,000
Other Demobilization Fees, Gross			15,300,000
Other Demobilization Fees, Net			$ 8,900,000
Percentage of Share in Charter Payment										58.80%	58.80%
Share in Charter Payment, Approximate Annual Amount										$ 19,400,000	$ 19,400,000
Guarantor Obligations, Current Carrying Value												400,000				$ 400,000
Charter Fee Per Barrel for Production Level One										1.16	1.16
Charter Fee Amount Threshold, Volume (Barrel of Oil) \| bbl										20,000	20,000
Charter Fee Per Barrel for Production Level Two										3.13	3.13
Charter Expenses											$ 22,400,000	22,100,000	$ 13,100,000
Period of Charter (Year)						1 year
Etame Marine Block [Member]
Estimated Abandonment Costs																						$ 47,800,000
Abandonment Funding										$ 20,600,000	20,600,000
Foreign Currency Transaction Gain (Loss), before Tax, Total											(1,200,000)	$ (1,600,000)
Payment of Joint Venture Audit Settlement														$ 800,000
Contractual Obligation, Paid										5,000,000	5,000,000													$ 2,000,000
Contractual Obligations, Amount Recoverable										6,000,000	6,000,000
Estimated Field Level Capital Conversion										77,000,000	77,000,000
Etame Marine Block [Member]
Estimated Abandonment Costs																						$ 81,300,000
Abandonment Funding										$ 35,000,000.0	$ 35,000,000.0
Egyptian General Petroleum Corporation (EGPC) [Member] \| Merged Concession Agreement [Member]
Payments for Merger Related Costs, First Modernization Payment					$ 15,000,000.0
Payments for Merger Related Costs, Signature Bonus					$ 1,000,000.0
Payments for Merger Related Costs, Second Modernization Payment				$ 10,000,000.0
Number of Annual Payments (Year)				3 years
Egyptian General Petroleum Corporation (EGPC) [Member] \| Merged Concession Agreement [Member] \| Forecast [Member]
Contractual Obligation, Total																	$ 10,000,000.0	$ 10,000,000.0	$ 10,000,000.0