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Related Party Transactions - Additional Information (Details) - USD ($)
1 Months Ended
Dec. 31, 2021
Jun. 30, 2022
Subsidiaries | Affini T therapeutics inc    
Related Party Transaction [Line Items]    
Investment in equity securities   $ 2,000,000.0
Erasca Foundation    
Related Party Transaction [Line Items]    
Amount loaned in exchange of non-interest bearing promissory note $ 100,000  
Prepaid Expenses And Other Current Assets | Erasca Foundation    
Related Party Transaction [Line Items]    
Amount receivable   $ 100,000