Financial Instruments - Schedule of Available-for-Sale Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Amortized Cost And Fair Value Debt Securities [Abstract]
Original stated term to maturity of available-for-sale- investments, Less than one year	$ 35,240	$ 57,206
Original stated term to maturity of available-for-sale- investments, One to five years	475,971	402,589
Original stated term to maturity of available-for-sale- investments, Total	$ 511,211	$ 459,795

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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+ Details