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Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Maturities of Marketable Securities Available-for-Sale (Detail) $ in Thousands | Sep. 30, 2023 USD ($)
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Amortized Cost |
Mature in one year or less | $ 494,498
Mature after one year through two years | 72,919
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 567,417
Estimated Fair Value |
Mature in one year or less | 493,376
Mature after one year through two years | 72,529
Total estimated fair value | $ 565,905

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