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Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Cash	$ 199,755	$ 170,852
Money market instruments	63,170	15,242
Cash and cash equivalents	262,925	186,094
Debt securities, available-for-sale, current	74,037	59,956
Non-current investments	305,339	340,898
Total	642,301	586,948
Treasury Bills [Member]
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, current	7,412	2,487
Long-term investments	22,431	43,147
Asset-Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, current	0	737
Long-term investments	4,182	12,577
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, current	66,625	55,742
Long-term investments	278,726	285,174
Sovereign Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, current	$ 0	$ 990

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Cash, cash equivalents, short term and long term investments.

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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), classified as current.

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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), classified as noncurrent.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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