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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Taxes [Line Items]
Effective tax rate (ETR) from continuing operations	(21.90%)	(1.60%)	2.90%	1.00%
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 3.6		$ 3.6
Operating loss carryforwards, expiration year			2038
Effective income tax rate reconciliation, at federal statutory income tax rate, percent			80.00%
Domestic Tax Authority [Member] | 2030-2038 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	189.5		$ 189.5
State and Local Jurisdiction [Member] | 2024-2043 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 153.1		$ 153.1
Minimum [Member] | Domestic Tax Authority [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration year			2026
Maximum [Member] | Domestic Tax Authority [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration year			2042

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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