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Fair Value Measurement (Tables) | 3 Months Ended
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Mar. 31, 2022
Fair Value Disclosures [Abstract] |
Summary of Financial Instruments Recorded at Fair Value on Recurring Basis | The following tables summarize the Company’s financial instruments recorded at fair value on a recurring basis by level within the fair value hierarchy as of the periods presented
| March 31, 2022
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market mutual funds | $ | 94,358 |  |  | $ | — |  |  | $ | — |  |  | $ | 94,358 |
Marketable Securities |  |  |  |  |  |  |
U.S. Treasury securities | — |  |  | 194,739 |  |  | — |  |  | 194,739 |
Certificates of deposit | — |  |  | 14,234 |  |  | — |  |  | 14,234 |
Corporate debt securities | — |  |  | 32,712 |  |  | — |  |  | 32,712 |
Commercial paper | — |  |  | 14,664 |  |  | — |  |  | 14,664 |
Asset-backed securities | — |  |  | 5,178 |  |  | — |  |  | 5,178 |
Total cash equivalents and marketable securities | $ | 94,358 |  |  | $ | 261,527 |  |  | $ | — |  |  | $ | 355,885 |
| December 31, 2021
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market mutual funds | $ | 151,079 |  |  | $ | — |  |  | $ | — |  |  | $ | 151,079 |
Marketable Securities |  |  |  |  |  |  |
U.S. Treasury securities | — |  |  | 157,277 |  |  | — |  |  | 157,277 |
Certificates of deposit | — |  |  | 6,490 |  |  | — |  |  | 6,490 |
Corporate debt securities | — |  |  | 36,327 |  |  | — |  |  | 36,327 |
Commercial paper | — |  |  | 11,620 |  |  | — |  |  | 11,620 |
Asset-backed securities | — |  |  | 5,895 |  |  | — |  |  | 5,895 |
Total cash equivalents and marketable securities | $ | 151,079 |  |  | $ | 217,609 |  |  | $ | — |  |  | $ | 368,688 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + 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 (b) -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 (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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