COVER - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Feb. 16, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	333-256188
Entity Registrant Name	1stdibs.com, Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3389618
Entity Address, Address Line One	51 Astor Place, 3rd Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10003
City Area Code	212
Local Phone Number	627-3927
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	DIBS
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	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 131.6
Entity Common Stock, Shares Outstanding		39,268,171
Documents Incorporated by Reference	Portions of the registrant’s proxy statement related to its 2023 Annual Stockholders' Meeting to be filed subsequently are incorporated by reference into Part III of this Form 10-K. Except as expressly incorporated by reference, the registrant's proxy statement shall not be deemed to be part of this report.
Entity Central Index Key	0001600641
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY