v3.26.1
Document and Entity Information
Jul. 27, 2026
Cover [Abstract]  
Security 12b Title Common Stock, par value $0.001 per share
Trading Symbol SYBX
Security Exchange Name BX
Amendment Flag false
Entity Central Index Key 0001527599
Document Type 8-K
Document Period End Date Jul. 27, 2026
Entity Registrant Name SYNLOGIC, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-37566
Entity Tax Identification Number 26-1824804
Entity Address, Address Line One PO Box 30
Entity Address, City or Town Winchester
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01890
City Area Code (617)
Local Phone Number 659-2802
Written Communications true
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false