Investments - Summary of Investments (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Cost	$ 42,954	$ 40,364
Gross Unrealized Gains	392	424
Gross Unrealized Losses	0	0
Fair Value	43,346	40,788
Government securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Cost	42,954	40,364
Gross Unrealized Gains	392	424
Gross Unrealized Losses	0	0
Fair Value	$ 43,346	$ 40,788

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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