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Available-For-Sale Debt Securities | 9 Months Ended
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Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Available-For-Sale Debt Securities | Available-For-Sale Debt Securities The following table summarizes the Company’s available-for-sale debt securities as of September 30, 2022 (in thousands). There were no available-for-sale debt securities held at December 31, 2021.
| September 30, 2022
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. government securities | $ | 7,960 |  |  | $ | — |  |  | $ | (3) |  |  | $ | 7,957 |
U.S. government agency securities | 30,515 |  |  | 23 |  |  | (36) |  |  | 30,501 |
Non-U.S. government securities | 3,935 |  |  | — |  |  | (18) |  |  | 3,916 |
Corporate debt securities | 21,748 |  |  | — |  |  | (140) |  |  | 21,608 |
Commercial paper | 35,660 |  |  | — |  |  | (56) |  |  | 35,605 |
Total | $ | 99,817 |  |  | $ | 23 |  |  | $ | (253) |  |  | $ | 99,587 |
There were no realized gains or losses related to available-for-sale debt securities for the three and nine months ended September 30, 2022. As of September 30, 2022, the gross unrealized losses that have been in a continuous unrealized loss position for less than 12 months were $0.3 million, which were related to $82.9 million of available-for-sale debt securities. There were no gross unrealized losses that have been in a continuous unrealized loss position for more than 12 months. The Company did not recognize any credit losses related to the Company’s debt securities during the three and nine months ended September 30, 2022. Unrealized losses related to available-for-sale debt securities are due to interest rate fluctuations as opposed to credit quality. The Company does not intend to sell these investments. In addition, it is more likely than not that the Company will not be required to sell them before recovery of the amortized cost basis, which may be at maturity. The following table summarizes the maturities of our available-for-sale debt securities as of September 30, 2022, by contractual years-to-maturity (in thousands).
| Amortized Cost |  | Fair Value
Due within one year | $ | 96,804 |  |  | $ | 96,606 |
Due after one year through three years | 3,013 |  |  | 2,981 |
Total | $ | 99,817 |  |  | $ | 99,587 |

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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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