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Marketable Securities | 12 Months Ended
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Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Marketable Securities | Marketable SecuritiesThe following is a summary of the Company's investment portfolio as of December 31, 2022 and 2021 (in thousands):
|  | As of December 31, 2022
|  |  |  | Gross Unrealized |  | Estimated
|  | Cost |  | Gains | Losses |  | Fair Value
Available-for-sale securities: |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 35,042 |  |  | $ | — |  |  | $ | (163) |  |  | $ | 34,879 |
Debt securities issued by U.S. government agencies |  | 4,005 |  |  | — |  |  | (10) |  |  | 3,995 |
Total securities with a maturity of one year or less |  | $ | 39,047 |  |  | $ | — |  |  | $ | (173) |  |  | $ | 38,874 |
Total available-for-sale securities |  | $ | 39,047 |  |  | $ | — |  |  | $ | (173) |  |  | $ | 38,874 |
|  | As of December 31, 2021
|  |  |  | Gross Unrealized |  | Estimated
|  | Cost |  | Gains | Losses |  | Fair Value
Available-for-sale securities: |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 52,214 |  |  | $ | — |  |  | $ | (31) |  |  | $ | 52,183 |
Commercial paper |  | 34,993 |  |  | — |  |  | — |  |  | 34,993 |
Debt securities issued by U.S. government agencies |  | 12,111 |  |  | — |  |  | (8) |  |  | 12,103 |
Other debt securities |  | 6,398 |  |  | 1 |  |  | — |  |  | 6,399 |
Total securities with a maturity of one year or less |  | $ | 105,716 |  |  | $ | 1 |  |  | $ | (39) |  |  | $ | 105,678 |
Corporate debt securities |  | 31,667 |  |  | — |  |  | (138) |  |  | 31,529 |
Total securities with a maturity of one to two years |  | $ | 31,667 |  |  | $ | — |  |  | $ | (138) |  |  | $ | 31,529 |
Total available-for-sale securities |  | $ | 137,383 |  |  | $ | 1 |  |  | $ | (177) |  |  | $ | 137,207 |
As of December 31, 2022, the Company had 7 securities with a total fair market value of $38.9 million in an unrealized loss position. The Company believes that any unrealized losses associated with the decline in value of its securities is temporary and is primarily related to the change in market interest rates since purchase, and believes that it is more likely than not that it will be able to hold its debt securities to maturity. Therefore, the Company anticipates a full recovery of the amortized cost basis of its debt securities at maturity and an allowance for credit losses was not recognized. Securities are evaluated for impairment at the end of each reporting period. The Company did not record any impairment related to its available-for-sale securities during the years ended December 31, 2022 and 2021.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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