v3.25.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2025
Jul. 31, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Registrant Name TREVI THERAPEUTICS, INC.  
Entity Central Index Key 0001563880  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Trading Symbol TRVI  
Entity Common Stock, Shares Outstanding   121,776,855
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity File Number 001-38886  
Entity Tax Identification Number 45-0834299  
Entity Address, Address Line One 195 Church Street  
Entity Address, Address Line Two 16th Floor  
Entity Address, City or Town New Haven  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06510  
City Area Code 203  
Local Phone Number 304-2499  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Security Exchange Name NASDAQ