v3.25.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2025
May 15, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Trading Symbol TSHA  
Entity Registrant Name Taysha Gene Therapies, Inc.  
Entity Central Index Key 0001806310  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity File Number 001-39536  
Entity Tax Identification Number 84-3199512  
Entity Address, Address Line One 3000 Pegasus Park Drive  
Entity Address, Address Line Two Ste 1430  
Entity Address, City or Town Dallas  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75247  
City Area Code 214  
Local Phone Number 612-0000  
Entity Common Stock, Shares Outstanding   214,661,715
Title of 12(b) Security Common stock, par value $0.00001 per share  
Security Exchange Name NASDAQ  
Entity Incorporation, State or Country Code DE  
Entity Interactive Data Current Yes  
Document Quarterly Report true  
Document Transition Report false