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Fair Value Measurements and Financial Instruments - Cash Equivalents and Held-to-maturity Debt Securities (Detail) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 39,899 | $ 42,726
Estimated Fair Value | 39,899 | 42,726
Money Market Funds |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 3,686 | 3,300
Estimated Fair Value | 3,686 | 3,300
Short-term Bank Deposits |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 14,846 | 14,858
Estimated Fair Value | 14,846 | 14,858
Long-term Certificates of Deposit |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 21,367 | 24,568
Estimated Fair Value | 21,367 | 24,568
Cash and Cash Equivalents |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Estimated Fair Value | $ 3,686 | $ 3,300

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