Revenue - Summary of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Collaboration revenue	$ 763	$ 763
Total other revenue	2,964	3,331
Total revenue	22,980	18,860
Assay services revenue
Disaggregation of Revenue [Line Items]
Revenue	18,800	14,573
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	453	193
Royalties
Disaggregation of Revenue [Line Items]
Total other revenue	2,955	3,000
Other
Disaggregation of Revenue [Line Items]
Total other revenue	$ 9	$ 331