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Property, Equipment and Leasehold Improvements - Schedule of Property, Equipment and Leasehold Improvements (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Property Plant And Equipment [Line Items]    
Property, equipment and leasehold improvements, gross $ 27.3 $ 23.4
Less: accumulated depreciation and amortization (13.7) (10.7)
Property, equipment and leasehold improvements, net 13.6 12.7
Laboratory equipment    
Property Plant And Equipment [Line Items]    
Property, equipment and leasehold improvements, gross 15.8 13.6
Leasehold improvements    
Property Plant And Equipment [Line Items]    
Property, equipment and leasehold improvements, gross 10.0 8.4
Office equipment    
Property Plant And Equipment [Line Items]    
Property, equipment and leasehold improvements, gross $ 1.5 $ 1.4