Commitments and Contingencies (Additional Information) (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
	Jul. 18, 2024	Sep. 30, 2024	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2024
Commitments And Contingencies [Line Items]
Purchase commitment				$ 54.7
Amendment Implemented Fee				60.0
Thermo Fisher Scientific, Inc. [Member] | Supply Agreement [Member]
Commitments And Contingencies [Line Items]
Non-cash contract termination cost					$ 62.7
Research and Development Expense [Member] | Supply Agreement [Member]
Commitments And Contingencies [Line Items]
Research and Development Expense					29.2
Research and Development Expense [Member] | Thermo Fisher Scientific, Inc. [Member] | Supply Agreement [Member]
Commitments And Contingencies [Line Items]
Research and Development Expense	$ 55.4
Research and Development Expense [Member] | Thermo Fisher Scientific, Inc. [Member] | Roche Agreement [Member]
Commitments And Contingencies [Line Items]
Research and Development Expense		$ 36.5			$ 36.5
First Installments [Member]
Commitments And Contingencies [Line Items]
Amendment Implemented Fee			$ 20.0	$ 20.0
Installments Date of implemented fee			Mar. 01, 2024