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Investments - Schedule of Fair Value of Investments (Detail) - Available-for-Sale Investments - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | $ 166,783 | $ 170,964
Less: cash equivalents | (22,552) | (14,745)
Total Investments | 144,231 | 156,219
Amortized Cost | Money Market Funds | Fair Value, Inputs, Level 1 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 22,552 | 14,745
Amortized Cost | Commercial Bonds and Paper | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 52,818 | 44,145
Amortized Cost | U.S. Treasury Securities | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 91,413 | 112,074
Gross Unrealized Holding Gains |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 47 | 233
Total Investments | 47 | 233
Gross Unrealized Holding Gains | Commercial Bonds and Paper | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 25 | 49
Gross Unrealized Holding Gains | U.S. Treasury Securities | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 22 | 184
Gross Unrealized Holding Losses |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | (59) | (53)
Total Investments | (59) | (53)
Gross Unrealized Holding Losses | Commercial Bonds and Paper | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | (21) | (24)
Gross Unrealized Holding Losses | U.S. Treasury Securities | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | (38) | (29)
Estimated Fair Value |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 166,771 | 171,144
Less: cash equivalents | (22,552) | (14,745)
Total Investments | 144,219 | 156,399
Estimated Fair Value | Money Market Funds | Fair Value, Inputs, Level 1 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 22,552 | 14,745
Estimated Fair Value | Commercial Bonds and Paper | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | 52,822 | 44,170
Estimated Fair Value | U.S. Treasury Securities | Fair Value, Inputs, Level 2 |  |
Schedule Of Investments [Line Items] |  |
Total cash equivalents and investments | $ 91,397 | $ 112,229

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