Significant Agreements and Contracts - License Agreement with Icahn School of Medicine at Mount Sinai - Additional Information (Details) - Mount Sinai - License Agreement $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($) shares
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Up-front license fee \| $	$ 7.5
Icahn School of Medicine [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Stock consideration shares \| shares	851,305

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

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Period Type:	duration