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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Organization and Accounting Policies (Policy)
Notes Tables
Notes Details

Acquisitions and Dispositions (Narrative) (Details)

v3.21.2

Acquisitions and Dispositions (Narrative) (Details) $ in Thousands		1 Months Ended	3 Months Ended						9 Months Ended
	Feb. 25, 2021 USD ($)	Nov. 30, 2006	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($) $ / bbl	Sep. 30, 2020 USD ($)	Apr. 29, 2021 USD ($)	Feb. 24, 2021
Business Acquisition [Line Items]
Bargain purchase gain									$ (7,651)
Revenues			$ 55,899			$ 18,256			142,696	$ 54,619
Net income			31,721	$ 5,884	$ 9,869	$ 7,618	$ 596	$ (52,800)	47,474	$ (44,586)
Sasol Gabon S.A. [Member]
Business Acquisition [Line Items]
Bargain purchase gain	$ (7,700)
Bargain purchase gain, net of tax	5,500
Bargain purchase gain, income tax benefit	2,200
Revenues			26,400						58,000
Net income			$ 10,200						$ 20,100
Contingent consideration	$ 5,000										$ 5,000
Contingent consideration, measurement period of oil price									90 days
Contingent consideration, oil price threshold \| $ / bbl									60.00
Discontinued Operations [Member] \| Joint Operating With Republic Of Angola [Member]
Business Acquisition [Line Items]
Joint operation agreement related to third party in working interest percentage		40.00%
Additional joint operation agreement related to third party in working interest percentage		10.00%
Etame Marine Block [Member]
Business Acquisition [Line Items]
Working interest ownership, percentage	58.80%											31.10%
Etame Marine Block [Member] \| Sasol Gabon S.A. [Member]
Business Acquisition [Line Items]
Increase (decrease) in working interest ownership percentage	27.80%

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