Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 04, 2022
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	001-40498
Entity Registrant Name	Century Therapeutics, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-2040295
Entity Address State Or Province	PA
Entity Address, Address Line One	3675 Market Street
Entity Address, City or Town	Philadelphia
Entity Address, Postal Zip Code	19104
City Area Code	267
Local Phone Number	817-5790
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	IPSC
Security Exchange Name	NASDAQ
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		58,974,247
Entity Central Index Key	0001850119
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false