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Cash Equivalents and Investments - Schedule of Investments (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Available-for-sale [Line Items]
Available-for-sale Securities	$ 123,042	$ 118,566
Corporate securities
Available-for-sale [Line Items]
Available-for-sale Securities	50,467	46,411
U.S. Treasury securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	42,506	40,590
Municipal Debt Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	21,263	22,294
Federal Home Loan Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	6,792	6,640
Certificates of Deposit [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	$ 2,014	$ 2,631

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Amount 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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