Cash, Cash Equivalents, and Marketable Debt Securities - Schedule of Marketable Debt Securities in Continuous Loss Position (Details) $ in Millions		Mar. 31, 2025 USD ($) Security		Dec. 31, 2024 USD ($) Security
Schedule Of Available For Sale Securities [Line Items]
Fair Value of Marketable Debt Securities in a Loss Position Less Than 12 Months		$ 17.5		$ 20.4
Number of Marketable Debt Securities in a Loss Position Less Than 12 Months | Security		24		31
Unrealized Losses Less Than 12 Months		$ 0.0	[1]	$ 0.1
Fair Value of Marketable Debt Securities in a Loss Position 12 Months Or Longer		$ 1.2		$ 9.4
Number of Marketable Debt Securities in a Loss Position 12 Months Or Longer | Security		1		9
Unrealized Losses 12 Months Or Longer	[1]	$ 0.0		$ 0.0
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value of Marketable Debt Securities in a Loss Position Less Than 12 Months		$ 16.7		$ 16.5
Number of Marketable Debt Securities in a Loss Position Less Than 12 Months | Security		23		26
Unrealized Losses Less Than 12 Months		$ 0.0	[1]	$ 0.1
Fair Value of Marketable Debt Securities in a Loss Position 12 Months Or Longer		$ 0.0		$ 2.7
Number of Marketable Debt Securities in a Loss Position 12 Months Or Longer | Security		0		4
Unrealized Losses 12 Months Or Longer	[1]	$ 0.0		$ 0.0
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value of Marketable Debt Securities in a Loss Position Less Than 12 Months		$ 0.0		$ 3.1
Number of Marketable Debt Securities in a Loss Position Less Than 12 Months | Security		0		4
Unrealized Losses Less Than 12 Months		$ 0.0	[1]	$ 0.0
Fair Value of Marketable Debt Securities in a Loss Position 12 Months Or Longer		$ 1.2		$ 6.7
Number of Marketable Debt Securities in a Loss Position 12 Months Or Longer | Security		1		5
Unrealized Losses 12 Months Or Longer	[1]	$ 0.0		$ 0.0
U.S. Government Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value of Marketable Debt Securities in a Loss Position Less Than 12 Months		$ 0.8		$ 0.8
Number of Marketable Debt Securities in a Loss Position Less Than 12 Months | Security		1		1
Unrealized Losses Less Than 12 Months		$ 0.0	[1]	$ 0.0
Fair Value of Marketable Debt Securities in a Loss Position 12 Months Or Longer		$ 0.0		$ 0.0
Number of Marketable Debt Securities in a Loss Position 12 Months Or Longer | Security		0		0
Unrealized Losses 12 Months Or Longer	[1]	$ 0.0		$ 0.0

[1] Unrealized losses were insignificant for the period presented.