Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Feb. 16, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	001-40632
Entity Registrant Name	CYTEK BIOSCIENCES, INC.
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	47-2547526
Entity Address Address Line1	47215 Lakeview Blvd.
Entity Address City Or Town	Fremont
Entity Address, State and Province	CA
Entity Address Postal Zip Code	94538
City Area Code	877
Local Phone Number	922-9835
Security12b Title	Common Stock, par value $0.001 per share
Trading Symbol	CTKB
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 1,030
Entity Common Stock, Shares Outstanding		130,824,069
Documents Incorporated by Reference	Portions of the Registrant’s Definitive Proxy Statement relating to the Registrant’s 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such Definitive Proxy Statement will be filed with the Securities and Exchange Commission within 120 days after the end of the Registrant’s fiscal year ended December 31, 2023
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0001831915