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Available-For-Sale Debt Securities | 12 Months Ended
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Dec. 31, 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 December 31, 2022 (in thousands). There were no available-for-sale debt securities held at December 31, 2021.
| December 31, 2022
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. government agency securities | $ | 39,634 |  |  | $ | 5 |  |  | $ | (42) |  |  | $ | 39,597 |
Non-U.S. government securities | 3,964 |  |  | — |  |  | (18) |  |  | 3,946 |
Corporate debt securities | 21,850 |  |  | — |  |  | (126) |  |  | 21,724 |
Commercial paper | 35,745 |  |  | — |  |  | (47) |  |  | 35,698 |
Total | $ | 101,193 |  |  | $ | 5 |  |  | $ | (233) |  |  | $ | 100,965 |
There were no realized gains or losses related to available-for-sale debt securities for the three and twelve months ended December 31, 2022. As of December 31, 2022, all available-for-sale debt securities mature within one year of consolidated balance sheet date. As of December 31, 2022, the gross unrealized losses that have been in a continuous unrealized loss position for less than 12 months were $0.2 million, which were related to $75.5 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 twelve months ended December 31, 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.

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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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