v3.24.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 28, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Trading Symbol WVE    
Entity Registrant Name WAVE LIFE SCIENCES LTD.    
Entity Central Index Key 0001631574    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Tax Identification Number 98-1356880    
Entity Common Stock, Shares Outstanding   122,284,139  
Entity Public Float     $ 258,753,061
Title of 12(b) Security $0 Par Value Ordinary Shares    
Security Exchange Name NASDAQ    
Entity File Number 001-37627    
Entity Incorporation, State or Country Code U0    
Entity Address, Address Line One 7 Straits View #12-00    
Entity Address, Address Line Two Marina One    
Entity Address, City or Town East Tower    
Entity Address, Country SG    
Entity Address, Postal Zip Code 018936    
City Area Code +65    
Local Phone Number 6236 3388    
Document Annual Report true    
Document Transition Report false    
Auditor Firm ID 185    
Auditor Name KPMG LLP    
Auditor Location Boston, Massachusetts    
Documents Incorporated by Reference

If the Registrant’s Definitive Proxy Statement relating to the 2024 Annual General Meeting of Shareholders (the “Proxy Statement”) is filed with the Commission within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K, then portions of the Proxy Statement will be incorporated by reference into Part III of this Annual Report on Form 10-K. If the Proxy Statement is not filed within such 120-day period, then the Registrant will file an amendment to this Annual Report within such 120-day period that will contain the information required to be included or incorporated by reference into Part III of this Annual Report.