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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jan. 01, 2021
USD ($)
Accounting Policies [Line Items]        
Percentage of revenue contributed by related party 100.00% 100.00% 100.00%  
Number of operating segments | segment 1      
Number of reportable segments | segment 1      
Debt instrument remaining maturity period at date of purchase 3 months      
Impairment of long-lived assets $ 0 $ 0 $ 0  
Expected dividends 0.00% 0.00% 0.00%  
Operating lease right-of-use assets $ 6,330,000 $ 0    
Total operating lease liabilities $ 7,194,000      
Novartis Agreement        
Accounting Policies [Line Items]        
Description of customer payment terms The Company performs credit evaluations of its customer, and the risk with respect to accounts receivable is further mitigated by the short duration of customer payment terms, generally within 60 days, and the pedigree of the customer base.      
Accounting Standards Update 2016-02        
Accounting Policies [Line Items]        
Operating lease right-of-use assets       $ 8,000,000
Total operating lease liabilities       8,900,000
Deferred rent and lease incentives       $ 900,000