Legal Settlement Liability - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 13, 2018	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2020
Loss Contingencies [Line Items]
Upfront payment	$ 2,000
Royalty payment duration (in years)	10 years
Mile stone payment	$ 6,000
Common stock, shares issued (in shares)		129,142,587		128,550,136
Litigation settlement interest		$ 200	$ 300
Settlement liabilities, payment period (in years)		10 years
Legal settlement liability, current		$ 2,208		$ 2,495
Becton, Dickinson And Company VS. Cytek
Loss Contingencies [Line Items]
Legal settlement liability, current		$ 8,800		$ 9,300
Patent
Loss Contingencies [Line Items]
Finite-lived intangible asset, average useful life (in months)		18 months
Common stock
Loss Contingencies [Line Items]
Common stock, shares issued (in shares)					2,087,545