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Fair Value Measurements - Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total financial assets | $ 215,906 | $ 299,300
Money Market Funds [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total financial assets | 215,906 | 299,300
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total financial assets | 215,906 | 299,300
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total financial assets | $ 215,906 | $ 299,300

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