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Fair Value Measurements - Summary of Company 's Financial Assets Measured at Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total cash equivalents, Aggregate Fair Value | $ 31,676 | $ 13,359
Total short-term investments, Aggregate Fair Value | 61,615 | 20,086
Total asset measured at fair value, Aggregate Fair Value | 93,291 | 33,445
Fair Value, Recurring |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total cash equivalents, Amortized Cost | 31,677 | 13,359
Total cash equivalents, Unrealized Gains | 1 |
Total cash equivalents, Unrealized Losses | (2) |
Total cash equivalents, Aggregate Fair Value | 31,676 | 13,359
Total short-term investments, Amortized Cost | 61,618 | 20,083
Total short-term investments, Unrealized Gains | 3 | 4
Total short-term investments, Unrealized Losses | (6) | (1)
Total short-term investments, Aggregate Fair Value | 61,615 | 20,086
Total asset measured at fair value, Amortized Cost | 93,295 | 33,442
Total asset measured at fair value, Unrealized Gains | 4 | 4
Total asset measured at fair value, Unrealized Losses | (8) | (1)
Total asset measured at fair value, Aggregate Fair Value | 93,291 | 33,445
Fair Value, Recurring | Money Market Funds |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total cash equivalents, Amortized Cost | 15,677 | 12,859
Total cash equivalents, Aggregate Fair Value | 15,677 | 12,859
Fair Value, Recurring | Corporate Debt Securities |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total cash equivalents, Amortized Cost | 2,502 | 500
Total cash equivalents, Unrealized Losses | (2) |
Total cash equivalents, Aggregate Fair Value | 2,500 | 500
Total short-term investments, Amortized Cost | 11,588 | 11,348
Total short-term investments, Unrealized Gains | 1 | 2
Total short-term investments, Unrealized Losses | (1) | (1)
Total short-term investments, Aggregate Fair Value | 11,588 | 11,349
Fair Value, Recurring | Commercial Paper |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total cash equivalents, Amortized Cost | 13,498 |
Total cash equivalents, Unrealized Gains | 1 |
Total cash equivalents, Aggregate Fair Value | 13,499 |
Total short-term investments, Amortized Cost | 50,030 | 5,985
Total short-term investments, Unrealized Gains | 2 | 2
Total short-term investments, Unrealized Losses | (5) |
Total short-term investments, Aggregate Fair Value | $ 50,027 | 5,987
Fair Value, Recurring | Government Agency Bonds |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Total short-term investments, Amortized Cost |  | 2,750
Total short-term investments, Aggregate Fair Value |  | $ 2,750

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