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