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Balance Sheet Details - Summary of Short -Term Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost | $ 67,045 | $ 103,096
Available-for-sale securities, gross unrealized gains |  | 257
Available-for-sale securities, gross unrealized losses | (6) |
Available-for-sale securities | 67,039 | 103,353
U.S. Corporate Debt Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost | 15,009 | 11,505
Available-for-sale securities, gross unrealized gains |  | 42
Available-for-sale securities, gross unrealized losses | (3) |
Available-for-sale securities | 15,006 | 11,547
Foreign Corporate Debt Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost | 10,551 | 15,508
Available-for-sale securities, gross unrealized gains |  | 49
Available-for-sale securities, gross unrealized losses | (3) |
Available-for-sale securities | 10,548 | 15,557
U.S. Commercial Paper |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost | 5,998 | 13,997
Available-for-sale securities | 5,998 | 13,997
Foreign Commercial Paper |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost | 35,487 | 41,976
Available-for-sale securities | $ 35,487 | 41,976
U.S. Treasury Bills and Government Agency Obligations |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale securities, amortized cost |  | 20,110
Available-for-sale securities, gross unrealized gains |  | 166
Available-for-sale securities |  | $ 20,276

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