Investments - Non-marketable Securities (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Investments
Investment in non-marketable equity securities	$ 12.3	$ 12.8
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Investments
Maturing in the next 12 months	$ 10.2	$ 10.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details