v3.25.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2025
May 02, 2025
Cover [Abstract]    
Entity Registrant Name Lyra Therapeutics, Inc.  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   66,267,225
Amendment Flag false  
Entity Central Index Key 0001327273  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Mar. 31, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity File Number 001-39273  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-1700838  
Entity Address, Address Line One 480 Arsenal Way  
Entity Address, City or Town Watertown  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02472  
City Area Code 617  
Local Phone Number 393-4600  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol LYRA  
Security Exchange Name NASDAQ