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Revenue - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 28, 2018	Dec. 31, 2019	Dec. 31, 2018	Apr. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue		$ 2,361	$ 668
ImmunoForge
Disaggregation of Revenue [Line Items]
Revenue		600
Collaborative arrangement upfront payment receivable				$ 200
ImmunoForge \| Scientific Consulting Services
Disaggregation of Revenue [Line Items]
Collaborative arrangement upfront payment receivable				100
ImmunoForge \| Collaborative Agreements Payment Receivable within One Year of Contract Effective Date
Disaggregation of Revenue [Line Items]
Collaborative arrangement upfront payment receivable				$ 300
SBIR Grants
Disaggregation of Revenue [Line Items]
Grants from the National Institutes of Health	$ 2,800
Revenue		$ 1,800	$ 700