Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of unrecognized tax benefits.

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 15,063	$ 21,148	$ 0
Valuation allowance for deferred tax asset	14,939	$ 17,039
Federal capital losses	3,400
United States:
Income Tax Contingency [Line Items]
Net operating loss carryforwards	14,600
Net operating loss carryforwards, valuation allowance	14,600
State and Local Tax Jurisdiction, Other
Income Tax Contingency [Line Items]
Net operating loss carryforwards	11,500
Net operating loss carryforwards, valuation allowance	$ 11,500