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Financial Instruments - Available-for-Sale Marketable Debt Securities (Detail) - U.S. Treasury securities - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]
Remaining Contractual Maturities (in years)	4 months 24 days	4 months 24 days
Amortized cost	$ 281,936	$ 154,383
Gross unrealized gains	0	101
Gross Unrealized Losses	(235)	0
Fair Value	$ 281,701	$ 154,484

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-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

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