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Cash and Investments in Marketable Securities - Portfolio of Cash and Investments in Marketable Securities (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash | $ 10,368 | $ 17,843
Total cash and investments in marketable securities | 290,640 | 329,441
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Amortized Cost | 258,708 |
Gross Unrealized Gains | 3 |
Gross Unrealized Losses | (518) |
Fair Value | 258,193 | 294,123
Level 2 | Corporate notes and bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Amortized Cost | 88,822 |
Gross Unrealized Gains | 3 |
Gross Unrealized Losses | (258) |
Fair Value | 88,567 | 38,882
Level 2 | Corporate commercial paper |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Amortized Cost | 166,404 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (257) |
Fair Value | 166,147 | 255,241
Level 2 | Obligations of U.S. government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Amortized Cost | 3,482 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (3) |
Fair Value | 3,479 | 0
Level 2 | Certificates of deposit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, fair value disclosure | 14,020 | 15,116
Level 1 | Money market funds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, fair value disclosure | $ 8,059 | $ 2,359

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