Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2023
Apr. 30, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Entity Small Business true  
Entity Emerging Growth Company false  
Document Period End Date Mar. 31, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q1  
Entity Registrant Name Gulf Island Fabrication, Inc.  
Entity Central Index Key 0001031623  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Current Reporting Status Yes  
Entity Common Stock, Shares Outstanding   16,149,464
Entity Interactive Data Current Yes  
Entity File Number 001-34279  
Entity Tax Identification Number 72-1147390  
Entity Address, Address Line One 2170 Buckthorne Place  
Entity Address, Address Line Two Suite 420  
Entity Address, City or Town The woodlands  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77380  
City Area Code 713  
Local Phone Number 714-6100  
Document Quarterly Report true  
Document Transition Report false  
Entity Incorporation, State or Country Code LA  
Trading Symbol Gifi  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ