Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.23.3
Document And Entity Information - shares
 9 Months Ended
Sep. 30, 2023
Nov. 03, 2023
Document Information [Line Items]    
Entity Central Index Key 0000894627  
Entity Registrant Name VAALCO ENERGY INC /DE/  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2023  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2023  
Document Transition Report false  
Entity File Number 1-32167  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 76-0274813  
Entity Address, Address Line One 9800 Richmond Avenue Suite 700  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77042  
City Area Code 713  
Local Phone Number 623-0801  
Title of 12(b) Security Common Stock  
Trading Symbol EGY  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   105,158,757