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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2023
Fair Value Disclosures [Abstract] |
Schedule of Assets Measured at Fair Value on Recurring Basis | Following are the major categories of assets measured at fair value on a recurring basis (in thousands):
|  | Fair Value Measurements |  |  |  |
|  | Fair Value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds (1) |  | $ | 58,990 |  |  | $ | 58,990 |  |  | $ | — |  |  | $ | — |  |  | $ | 58,990 |
U.S. treasury securities |  |  | 143,040 |  |  |  | 143,040 |  |  |  | — |  |  |  | — |  |  |  | 143,040 |
U.S. agency bonds |  |  | 4,976 |  |  |  | — |  |  |  | 4,976 |  |  |  | — |  |  |  | 4,976 |
Certificates of deposit |  |  | 1,932 |  |  |  | 1,932 |  |  |  | — |  |  |  | — |  |  |  | 1,932 |
Total |  | $ | 208,938 |  |  | $ | 203,962 |  |  | $ | 4,976 |  |  | $ | — |  |  | $ | 208,938 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds (1) |  | $ | 66,840 |  |  | $ | 66,840 |  |  | $ | — |  |  | $ | — |  |  | $ | 66,840 |
U.S. treasury securities |  |  | 154,018 |  |  |  | 154,018 |  |  |  | — |  |  |  | — |  |  |  | 154,018 |
U.S. agency bonds |  |  | 4,965 |  |  |  | — |  |  |  | 4,965 |  |  |  | — |  |  |  | 4,965 |
Certificates of deposit |  |  | 2,400 |  |  |  | 2,400 |  |  |  | — |  |  |  | — |  |  |  | 2,400 |
Total |  | $ | 228,223 |  |  | $ | 223,258 |  |  | $ | 4,965 |  |  | $ | — |  |  | $ | 228,223 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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