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Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets |  | $ 174,945 | $ 74,101
Total fair value of liabilities |  |  | 980
Corporate Debt Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 1,762
Contingent Consideration |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of liabilities |  |  | 980
Asset-backed Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 7,522
Marketable Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 10,284
Fair Value, Inputs, Level 1 |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets |  |  | 63,817
Fair Value, Inputs, Level 2 |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets |  |  | 10,284
Fair Value, Inputs, Level 2 | Corporate Debt Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 1,762
Fair Value, Inputs, Level 2 | Asset-backed Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 7,522
Fair Value, Inputs, Level 2 | Marketable Securities |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 10,284
Fair Value, Inputs, Level 3 |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of liabilities |  |  | 980
Fair Value, Inputs, Level 3 | Contingent Consideration |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of liabilities |  |  | 980
Money Market Funds |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [2] | 174,945 | 63,817
Money Market Funds | Fair Value, Inputs, Level 1 |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [2] | $ 174,945 | 63,817
Commercial Paper |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | 1,000
Commercial Paper | Fair Value, Inputs, Level 2 |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Total fair value of assets | [1] |  | $ 1,000
[1] | Included in short-term marketable debt securities in the consolidated balance sheets.
[2] | Included in cash and cash equivalents in the consolidated balance sheets.

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