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Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity in the earnings of liability companies or partnerships	$ 0.0	$ (0.2)	$ 0.1	$ 0.4
Ownership interest exceeds respective investments	3.00%		3.00%
Variable Interest Entity, Not Primary Beneficiary
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Ownership interest exceeds respective investments	3.00%		3.00%

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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