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Marketable Securities - Summary of Contractual Maturities of Available-for-sale Debt Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Marketable Securities [Line Items]
Amortized Cost	$ 1,107,854	$ 972,670
Fair Value	1,110,207	$ 972,611
Due within one year [Member]
Marketable Securities [Line Items]
Amortized Cost	523,630
Fair Value	524,421
Due after one year through three years [Member]
Marketable Securities [Line Items]
Amortized Cost	584,224
Fair Value	$ 585,786

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