Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands |
Sep. 30, 2022 |
Dec. 31, 2021 |
---|---|---|
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] | ||
Total financial assets | $ 29,834 | $ 52,866 |
Fair Value, Inputs, Level 1 [Member] | ||
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] | ||
Total financial assets | 29,834 | 52,866 |
Money Market Funds And Other Cash Equivalents [Member] | ||
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] | ||
Total financial assets | 29,834 | 52,866 |
Money Market Funds And Other Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | ||
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] | ||
Total financial assets | $ 29,834 | $ 52,866 |