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Fair Value Measurements and Financial Instruments - Cash Equivalents and Held-to-maturity Debt Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 68,047	$ 42,726
Estimated Fair Value	68,047	42,726
Money Market Funds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	28,645	3,300
Estimated Fair Value	28,645	3,300
Short-term Bank Deposits
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	17,874	14,858
Estimated Fair Value	17,874	14,858
Long-term Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	21,528	24,568
Estimated Fair Value	21,528	24,568
Cash and Cash Equivalents
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Value	$ 28,645	$ 3,300

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