Financial Instruments - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2026 USD ($) position	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) position	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	May 31, 2024 USD ($)	Mar. 21, 2024 USD ($)
Fair Value Disclosures [Abstract]
Number of marketable securities in a gross unrealized loss position \| position	90		90
Fair market value of marketable securities in unrealized loss position	$ 163.8		$ 163.8
Accrued interest receivable	$ 1.7		$ 1.7		$ 2.1
Debt securities, available-for-sale, accrued interest, after allowance for credit loss, statement of financial position [extensible enumeration]	Prepaid expenses and other current assets		Prepaid expenses and other current assets		Prepaid expenses and other current assets
Equity without a readily determinable fair value					$ 1.1	$ 1.3	$ 0.0
Upward adjustment	$ 0.0	$ 0.2	$ 0.0	$ 0.2	0.2
Downward adjustment	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.4

Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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