v3.26.3
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2026
Oct. 21, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Trading Symbol WVE  
Entity Registrant Name WAVE LIFE SCIENCES, INC.  
Entity Incorporation, State or Country Code DE  
Entity Central Index Key 0001631574  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Document Quarterly Report true  
Document Transition Report false  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   197,228,968
Entity Shell Company false  
Entity Tax Identification Number 42-2115035  
Entity File Number 001-37627  
Entity Address, Address Line One 733 Concord Avenue  
Entity Address, City or Town Cambridge  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02138  
City Area Code 617  
Local Phone Number 949-2900  
Title of 12(b) Security Common Stock, par value $0.001  
Security Exchange Name NASDAQ