Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Sep. 30, 2023
Oct. 31, 2023
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2023  
Document Transition Report false  
Entity File Number 1-32414  
Entity Registrant Name W&T OFFSHORE, INC.  
Entity Incorporation, State or Country Code TX  
Entity Tax Identification Number 72-1121985  
Entity Address, Address Line One 5718 Westheimer Road, Suite 700  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77057-5745  
City Area Code 713  
Local Phone Number 626-8525  
Title of 12(b) Security Common Stock, par value $0.00001  
Trading Symbol WTI  
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   146,574,193
Entity Central Index Key 0001288403  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Document Fiscal Year Focus 2023