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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary Of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Acquisitions And Dispositions (Narrative) (Details)

v3.10.0.1

Acquisitions And Dispositions (Narrative) (Details) $ in Thousands				1 Months Ended			12 Months Ended
	Nov. 22, 2016	Mar. 14, 2016 USD ($)	Jan. 01, 2014	Apr. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) item	Nov. 30, 2006	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Apr. 30, 2014 USD ($)
Business Acquisition [Line Items]
Allowance for accounts with partners							$ 500	$ 500
Proceeds From Sale Of Oil And Gas Property And Equipment								250	$ 830
Hefley Field [Member]
Business Acquisition [Line Items]
Proceeds received from sale of property					$ 800
Number of wells, interest for sale \| item					2
East Poplar Dome Field [Member]
Business Acquisition [Line Items]
Proceeds From Sale Of Oil And Gas Property And Equipment				$ 300
Gain from sale of property								300
Joint Operating With Republic Of Angola [Member]
Business Acquisition [Line Items]
Allowance for accounts with partners										$ 7,600
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%
Stipulated payment for each exploration well, under PSA terms							10,000
Drilling commitment, net							5,000
Liability for the penalty							$ 15,000	$ 15,000
Working interest ownership other, percentage			40.00%
Sojitz [Member]
Business Acquisition [Line Items]
Percentage of working interest	2.98%
Percentage of participating interest	3.23%
Actual impact on revenue from acquisition									$ 200
Sonangol P&P [Member]
Business Acquisition [Line Items]
Payment from joint venture partners		$ 19,000
Reversal of allowance		7,600
Interest income		$ 3,200

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