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Investments - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Securities, Available-for-Sale [Line Items]
Accrued interest	$ 20	$ 100	$ 20	$ 100
Interest Income [Member]
Debt Securities, Available-for-Sale [Line Items]
Net realized gains (losses) on sale of investments	$ 2	$ (10)	$ 10	$ 800

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- Definition

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

+ References

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