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Financial Instruments and Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2021
Fair Value Disclosures [Abstract] |
Summary of Cash Equivalents and Available-for-sale Securities Carrying Amounts and Fair Values | The Company’s financial instruments consist of money market funds, U.S. government debt securities and corporate debt securities. The following tables show the Company’s cash equivalents and available-for-sale securities’ carrying amounts and fair values as of December 31, 2021 and 2020:
|  | As of December 31, 2021 |
|  | Carrying Amount |  |  | Fair Value |  |  | Quoted priced in active markets (level 1) |  |  | Significant other observable inputs (level 2) |  |  | Significant unobservable inputs (level 3) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 40,960 |  |  | $ | 40,960 |  |  | $ | 40,960 |  |  | $ | – |  |  | $ | – |
Corporate securities |  |  | 227,362 |  |  |  | 227,362 |  |  |  | – |  |  |  | 227,362 |  |  |  | – |
Government securities |  |  | 42,245 |  |  |  | 42,245 |  |  |  | – |  |  |  | 42,245 |  |  |  | – |
Total financial assets |  | $ | 310,567 |  |  | $ | 310,567 |  |  | $ | 40,960 |  |  | $ | 269,607 |  |  | $ | – |
|  | As of December 31, 2020 |
|  | Carrying Amount |  |  | Fair Value |  |  | Quoted priced in active markets (level 1) |  |  | Significant other observable inputs (level 2) |  |  | Significant unobservable inputs (level 3) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 240,033 |  |  | $ | 240,033 |  |  | $ | 240,033 |  |  | $ | – |  |  | $ | – |
Corporate securities |  |  | 120,008 |  |  |  | 120,008 |  |  |  | – |  |  |  | 120,008 |  |  |  | – |
Total financial assets |  | $ | 360,041 |  |  | $ | 360,041 |  |  | $ | 240,033 |  |  | $ | 120,008 |  |  | $ | – |

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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