Collaboration, License and Option Agreements - Additional Information (Details) - USD ($)		3 Months Ended		12 Months Ended
	Nov. 18, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2019	Dec. 31, 2021
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaboration Amendment Date		2019-12
Upfront Non-Refundable Payment				$ 20,000,000.0
Liability to licensor		$ 19,806,000			$ 19,806,000
BeiGene
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaboration Amendment Date		2020-10
Reimbursement Of Manufacturing Costs				$ 5,000,000.0
Revenues		$ 0	$ 0
Current portion of deferred revenue	$ 19,800,000		$ 19,800,000
License termination information, Description	In the event the license is terminated, the liability will be extinguished with no further payment to BeiGene.
Liability to licensor		$ 19,800,000