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Investments and Fair Value Instruments - Summary of Amortized Cost and Fair Value of Investment Securities Portfolio (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 2,034	$ 2,757
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	2,034	2,757
Cash Equivalents [Member] | Money Market Funds [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,034	2,757
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	$ 2,034	$ 2,757

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