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Investments - Summary of Investments (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]
Cost	$ 41,571	$ 40,252
Gross Unrealized Gains	285	259
Gross Unrealized Losses	(10)	(38)
Fair Value	41,846	40,473
Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Cost	1,480	4,249
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(10)	(38)
Fair Value	1,470	4,212
Government securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Cost	40,091	36,003
Gross Unrealized Gains	285	258
Gross Unrealized Losses	0	0
Fair Value	$ 40,376	$ 36,261

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