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FAIR VALUE MEASUREMENTS (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Summary of Fair Value Measurements of Cash Equivalents and Marketable Securities | The fair value measurements of the Company’s cash equivalents and marketable securities are identified at the following levels within the fair value hierarchy (in thousands):
| September 30, 2023
| Fair Value Measurements
| Total |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 3,417 |  |  | $ | 3,417 |  |  | $ | — |  |  | $ | — |
Total | 3,417 |  |  | 3,417 |  |  | — |  |  | — |
Marketable securities: |  |  |  |  |  |  |
U.S. government-sponsored entity debt securities | 28,637 |  |  | — |  |  | 28,637 |  |  | — |
Commercial paper securities | 18,891 |  |  | — |  |  | 18,891 |  |  | — |
Corporate debt securities | 1,379 |  |  | — |  |  | 1,379 |  |  | — |
Asset-backed securities | 8,429 |  |  | — |  |  | 8,429 |  |  | — |
U.S. treasury bills | 5,581 |  |  | — |  |  | 5,581 |  |  | — |
Certificates of deposit | 12,680 |  |  | — |  |  | 12,680 |  |  | — |
Total | 75,597 |  |  | — |  |  | 75,597 |  |  | — |
Total cash equivalents and marketable securities | $ | 79,014 |  |  | $ | 3,417 |  |  | $ | 75,597 |  |  | $ | — |
| December 31, 2022
| Fair Value Measurements
| Total |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 50,820 |  |  | $ | 50,820 |  |  | $ | — |  |  | $ | — |
Total | 50,820 |  |  | 50,820 |  |  | — |  |  | — |
Marketable securities: |  |  |  |  |  |  |
U.S. government-sponsored entity debt securities | 18,417 |  |  | — |  |  | 18,417 |  |  | — |
Commercial paper securities | 101,165 |  |  | — |  |  | 101,165 |  |  | — |
Corporate debt securities | 11,670 |  |  | — |  |  | 11,670 |  |  | — |
Asset-backed securities | 24,792 |  |  | — |  |  | 24,792 |  |  | — |
U.S. treasury bills | 7,938 |  |  | — |  |  | 7,938 |  |  | — |
Certificates of deposit | 37,461 |  |  | — |  |  | 37,461 |  |  | — |
Agency bonds | 5,590 |  |  | — |  |  | 5,590 |  |  | — |
Total | 207,033 |  |  | — |  |  | 207,033 |  |  | — |
Total cash equivalents and marketable securities | $ | 257,853 |  |  | $ | 50,820 |  |  | $ | 207,033 |  |  | $ | — |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are 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. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2C -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2C Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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