XML 133 R57.htm IDEA: XBRL DOCUMENT v3.22.1
Related Party Transactions - Additional Information (Details) - Erasca Foundation - USD ($)
1 Months Ended
Dec. 31, 2021
Mar. 31, 2022
Related Party Transaction [Line Items]    
Amount loaned in exchange of non-interest bearing promissory note $ 100,000  
Prepaid Expenses And Other Current Assets    
Related Party Transaction [Line Items]    
Amount receivable   $ 100,000