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Fair Value Measurements and Fair Value of Financial Instruments - Summary of Cash Equivalents and Short-term Investments (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | $ 145,340 | $ 271,309
Unrealized Gains | 0 | 1
Unrealized Losses | (1,369) | (317)
Estimated Fair Value | 143,971 | 270,993
Less: cash equivalents, amortized cost basis | (77,342) | (25,808)
Less: cash equivalents, unrealized gains | 0 | 0
Less: cash equivalents, unrealized losses | 10 | 1
Less: cash equivalents, estimated fair value | (77,332) | (25,807)
Money market funds | Level 1: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | 10,108 | 10,311
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Estimated Fair Value | 10,108 | 10,311
U.S. government and agency securities | Level 2: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | 55,150 | 62,268
Unrealized Gains | 0 | 0
Unrealized Losses | (1,008) | (218)
Estimated Fair Value | 54,142 | 62,050
Commercial paper | Level 2: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | 150,364 | 177,215
Unrealized Gains | 0 | 1
Unrealized Losses | (323) | (61)
Estimated Fair Value | 150,041 | 177,155
Corporate bonds | Level 2: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | 7,060 | 47,323
Unrealized Gains | 0 | 0
Unrealized Losses | (48) | (39)
Estimated Fair Value | 7,012 | 47,284
Total cash equivalents and short-term investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost Basis | 222,682 | 297,117
Unrealized Gains | 0 | 1
Unrealized Losses | (1,379) | (318)
Estimated Fair Value | $ 221,303 | $ 296,800

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