Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Mar. 14, 2025	Jun. 28, 2024
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2024
Document Transition Report	false
Entity File Number	001-39130
Entity Registrant Name	TELA Bio, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-5320061
Entity Address, Address Line One	1 Great Valley Parkway, Suite 24
Entity Address, City or Town	Malvern
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19355
City Area Code	484
Local Phone Number	320-2930
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	TELA
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
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 Public Float			$ 114.5
Entity Common Stock, Shares Outstanding		39,551,098
Documents Incorporated by Reference [Text Block]	Portions of the definitive proxy statement to be filed with the U.S. Securities and Exchange Commission (the “SEC”) for TELA Bio’s 2025 annual meeting of stockholders are incorporated by reference into Part III of this Form 10-K
Entity Central Index Key	0001561921
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Amendment Flag	false
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Philadelphia, PA