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Collaboration and License Agreements - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 16, 2019
Nov. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
China License Agreement | SanReno        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Consideration received as preferred shares   $ 40,000,000.0    
Consideration received as warrants   1,200,000    
Revenue recognized     $ 41,200,000  
Progress-dependent milestone payments and royalties received     0  
China License Agreement | SanReno | Maximum        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Progress-dependent milestone receivable   $ 25,000,000.0    
AbbVie Agreement        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Common stock shares issued 2,000,000.0      
Proceeds from issuance of common stock $ 6,700,000      
Milestone payment     0 $ 0
AbbVie Agreement | Maximum        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Contingent development, regulatory and commercial milestone payments $ 135,000,000.0      
Merck        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Revenue recognized     10,000,000.0  
Merck | Maximum | Product Candidate        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Milestone amount eligible to receive for products or product candidates     287,000,000.0  
Merck | Maximum | Product        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Milestone amount eligible to receive for products or product candidates     135,000,000.0  
Lilly Agreement        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Revenue recognized     400,000 $ 800,000
Lilly Agreement | Maximum        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Milestone amount eligible to receive for products or product candidates     $ 464,900,000