Legal Settlement Liability - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 13, 2018	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2020
Loss Contingencies [Line Items]
Upfront payment	$ 2,000
Royalty payment duration	10 years
Mile stone payment	$ 6,000
Common stock, shares issued (in shares)		129,205,901	130,714,906
Cost of sales related to royalty expense		$ 0	$ 0	$ 600
Litigation settlement interest		$ 5,500	1,600	$ 2,200
Settlement liabilities, payment period		10 years
Legal settlement liability, current		$ 1,705	2,561
Becton, Dickinson And Company VS. Cytek
Loss Contingencies [Line Items]
Legal settlement liability, current		10,700	$ 19,000
Gain (loss) from litigation settlement		$ (7,300)
Patent
Loss Contingencies [Line Items]
Finite-lived intangible asset, average useful life		18 months
Common stock
Loss Contingencies [Line Items]
Common stock, shares issued (in shares)					2,087,545