Non-Marketable Investments - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Carrying value of the Company's non-marketable investments	$ 2.6		$ 3.2
Distributions received from funds	0.5	$ 1.4
Carrying Value of Equity Method Investment [Member]
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Loss from sale of divested operation	$ 2.6		0.6
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Carrying value of the Company's non-marketable investments			2.6
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Carrying value of the Company's non-marketable investments			$ 0.6

- Definition

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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